Ready to Use: 1 SBS50 base station, 3 XS0B-MR smoke alarms, 1 power adapter, and 1 power cable included; simply download the X-Sense Home Security app, connect the devices to the app via the 2.4 GHz Wi-Fi network (incompatible with 5 GHz) and then start to protect your home

English Voice Alerts with Location: Up to 17 preset locations to choose from; once smoke is detected, voice alerts such as, "Warning! Smoke detected in Dining Room! Evacuate!" pinpoint the danger, making it possible to quickly locate the source of the smoke; studies have shown that children respond faster to a human voice than to alarm sounds

Enhanced Safety: This talking alarm provides convenient voice messages that promptly inform you of critical information such as tests, low battery, malfunctions, locations, alarm silencing, and Wi-Fi pairing; hearing voice notifications from the alarm helps you stay safer, and is especially helpful for people with impaired vision

Night Mode: Set custom times to turn off the green light so you can sleep soundly with no visual disturbances; night mode does not impact the alarm’s operation

Never Miss an Alarm: When smoke is detected, you'll receive instant alerts on your phone, keeping you informed no matter where you are; meanwhile, the base station and all interconnected alarms will emit sounds up to 100 dB, ensuring that everyone in your home is aware of the situation and can evacuate promptly

App Test: Conveniently test the alarm from the comfort of your phone's app, no ladder required; safety is at your fingertips with just the tap of a button

Convenient Device Sharing: Make life easier by sharing your device with up to 12 family members using the X-Sense Home Security App; this allows them to effortlessly check the alarm’s status, receive important alert

Long-Lasting Protection: With its durable, 10-year lifespan photoelectric sensor, this smoke alarm reliably detects slow-burning and smoldering fires, providing continuous protection; the built-in, replaceable CR123A battery lasts up to 5 years, so you can forget about battery changes

The frient smoke alarm is more than a beep beep – and even in stylish design

Instant smoke detection: Protect your home against fire with an instant warning when smoke is detected.

Remote alert: Get a fire notification while away from your home.

HUB REQUIRED: This Zigbee frient needs a hub in order to connect to your smart home. The Intelligent Smoke Alarm works with Homey, SmartThings, Home Assistant, and other Zigbee certified hubs. Find a full overview of the hubs on the frient website. Not all features work with all hubs.

EDGE DRIVERS REQUIRED: The Intelligent Smoke Alarm works with SmartThings via edge drivers. They can be downloaded under frient.com – compatible hubs – frients with SmartThings Edge.

[Multi-Ecosystem Support with Matter] An Aqara Zigbee 3.0 Hub is required (except Camera Hub G2H) and sold separately. Aqara Smoke Detector supports Homekit, Alexa, and Google Home.

[85dB Siren & LED Indicator] The Aqara Smoke Detector comes equipped with a robust 85dB siren, loud enough to alert you even if you're in another room, asleep, or surrounded by noise. A bright LED indicator also flashes during the alarm, providing a clear visual cue.

[Multi-Device Grouping] Effortlessly set up a network of multiple smoke detectors throughout your home. When one Aqara Smoke Detector detects a hazard, all connected detectors will activate their alarms, ensuring you’re alerted, no matter the size of your home. (Note: This feature is only available within the Aqara Home system.)

[Immediate Notifications & Smart Automations] The Aqara Smoke Detector monitors smoke levels and sends real-time notifications to you and your family instantly. It integrates with the Aqara Home app, allowing you to create custom automations and alerts. You can also personalize notification settings and disarm options, making your smart home even more efficient and secure.

[Ultra Long Battery Life] Equipped with advanced battery-saving technology and a high-capacity battery, the Aqara Smoke Detector offers an impressive 10-year lifespan. This means you can enjoy long-term peace of mind without the hassle of frequent battery replacements. The estimated battery life is based on testing at 25°C, 50-65% humidity, with one 5-minute alarm every 30 days via Aqara Home. Third-party platforms may increase power usage and display inaccurate battery levels. For accurate readings, please rely on Aqara Home's display and real-world usage.

[Certified] The Aqara Smoke Detector has obtained European conformity certification and UKCA certification, meeting the stringent BS EN 14604:2005 + AC:2008 standards. This ensures reliable performance and safety.

Smoke Alarms for Home – Includes MSH450 Hub in the box: The smoke alarm requires a Meross Hub (MSH300/MSH400/MSH450) to enable app control and smart home integration. Monitor your home remotely via the Meross app (supports multiple users) and receive real-time alerts for alarms, low battery, tampering, and hazard resolution. Ideal for home, apartment, or rental properties, protecting families in every room—from kitchen to bedroom. In case of fire, the system not only sounds fire alarms for home but also automatically shuts down smart plugs or appliances, preventing secondary hazards. Perfect for building an interlinked smoke alarm network across multi-room homes or large houses.

Smart Home Ready – Smoke Detector Works with Leading Smart Platforms: With MSH300/MSH400 Hub (firmware update required), it works with Apple HomeKit, Amazon Alexa, Google Assistant, Home Assistant and SmartThings. With MSH450 Hub, it additionally supports Matter protocol for seamless compatibility across all major platforms. This ensures smooth integration with your preferred smart home ecosystem and multi-device setups, offering flexibility and future-proof compatibility. These interlinked smoke alarms only work with 2.4GHz Wi-Fi and are not compatible with 5GHz. Note: Automation is not supported on Google platforms.

Ultra-Low False Alarms – Smart Fire Alarm with Dual Photoelectric Precision (Patent pending): Meross smart smoke alarm MA151 uses dual photoelectric sensors, advanced chipset, and a 0.8mm insect-proof mesh to precisely distinguish smoke from steam. Certified by SGS, DBI, and EN14604, it minimizes false alarms, ensuring peace of mind for home alarm systems without unnecessary interruptions. Ideal for kitchens, garages, or hallways where heat and dust can cause false alarms. Triggers ultra-fast even after repeated detection.

3-in-1 Security Hub – Smart Smoke Detector with Smoke, Intrusion & Tamper Alerts: More than a smoke alarm, the MA151 integrates smoke detection, intrusion alerts, and tamper protection. When triggered, detectors sound an 85dB alarm (audible over 3 meters) while the hub emits 110dB sirens, sending instant notifications via the app. Stores up to 10 years of alarm and event records. Supports door and motion sensors for complete home alarm security systems. Can integrate with third-party platforms via the hub (automation not supported on Google). Perfect for whole-house monitoring, including bedrooms, living rooms, garages, and basements.

10-Year Protection – House Alarm with Durable Materials & Battery Life: Built with V0 fire-retardant, UV-resistant housing and replaceable AA batteries, this battery smoke alarm guarantees up to 10 years of reliable use. Each AA battery lasts up to 3 years and can be easily replaced. Perfect for ceiling-mounted home installation, whether in living rooms, hallways, or bedrooms. Automatic low-battery alerts keep your smoke detector for home ready to protect without downtime.

Slim Design & Easy Setup – Smart Smoke Alarm with Test in Seconds: With a slim 3.3cm profile, the MA151 blends into modern homes. Ideal for homes, apartments, and office installations. After receiving the MA151, twist the back cover counterclockwise firmly to unlock it. Includes screws and 3M adhesive for flexible installation. Pairing and silencing are as easy as pressing one button or using the Meross app. Run self-tests anytime, making it one of the most convenient wifi smoke alarms and smart smoke detectors for home.

Smoke Alarms for Home – Requires a Meross Hub (Hub Not Included): The smoke alarm requires a Meross Hub (MSH300/MSH400/MSH450) to enable app control and smart home integration. Monitor your home remotely via the Meross app (supports multiple users) and receive real-time alerts for alarms, low battery, tampering, and hazard resolution. Ideal for home, apartment, or rental properties, protecting families in every room—from kitchen to bedroom. In case of fire, the system not only sounds fire alarms for home but also automatically shuts down smart plugs or appliances, preventing secondary hazards. Perfect for building an interlinked smoke alarm network across multi-room homes or large houses.

Smart Home Ready – Smoke Detector Works with Leading Smart Platforms: With MSH300/MSH400 Hub (firmware update required), it works with Apple HomeKit, Amazon Alexa, Google Assistant, Home Assistant and SmartThings. With MSH450 Hub, it additionally supports Matter protocol for seamless compatibility across all major platforms. This ensures smooth integration with your preferred smart home ecosystem and multi-device setups, offering flexibility and future-proof compatibility. These interlinked smoke alarms only work with 2.4GHz Wi-Fi and are not compatible with 5GHz. Note: Automation is not supported on Google platforms.

Ultra-Low False Alarms – Smart Fire Alarm with Dual Photoelectric Precision (Patent pending): Meross smart smoke alarm MA151 uses dual photoelectric sensors, advanced chipset, and a 0.8mm insect-proof mesh to precisely distinguish smoke from steam. Certified by SGS, DBI, and EN14604, it minimizes false alarms, ensuring peace of mind for home alarm systems without unnecessary interruptions. Ideal for kitchens, garages, or hallways where heat and dust can cause false alarms. Triggers ultra-fast even after repeated detection.

3-in-1 Security Hub – Smart Smoke Detector with Smoke, Intrusion & Tamper Alerts: More than a smoke alarm, the MA151 integrates smoke detection, intrusion alerts, and tamper protection. When triggered, detectors sound an 85dB alarm (audible over 3 meters) while the hub emits 110dB sirens, sending instant notifications via the app. Stores up to 10 years of alarm and event records. Supports door and motion sensors for complete home alarm security systems. Can integrate with third-party platforms via the hub (automation not supported on Google). Perfect for whole-house monitoring, including bedrooms, living rooms, garages, and basements.

10-Year Protection – House Alarm with Durable Materials & Battery Life: Built with V0 fire-retardant, UV-resistant housing and replaceable AA batteries, this battery smoke alarm guarantees up to 10 years of reliable use. Each AA battery lasts up to 3 years and can be easily replaced. Perfect for ceiling-mounted home installation, whether in living rooms, hallways, or bedrooms. Automatic low-battery alerts keep your smoke detector for home ready to protect without downtime.

Slim Design & Easy Setup – Smart Smoke Alarm with Test in Seconds: With a slim 3.3cm profile, the MA151 blends into modern homes. Ideal for homes, apartments, and office installations. After receiving the MA151, twist the back cover counterclockwise firmly to unlock it. Includes screws and 3M adhesive for flexible installation. Pairing and silencing are as easy as pressing one button or using the Meross app. Run self-tests anytime, making it one of the most convenient wifi smoke alarms and smart smoke detectors for home.

ALARM LINK - When the WALN Alarm detects smoke/high temperatures, the alarms connected under the same hub will beep to remind you. A hub can 16 meross Devices (incl. sensors, detectors, thermostatic valves) simultaneously.

SMOKE AND OVERHEATING DETECTION - In addition to smoke detection, it can also detect overheating. If the temperature is too high (54-70℃), a beep will sound to remind you. There is also Low Battery Level Warning. 85 dB maximum alarm.

DOES SMOKE DETECTOR PROVIDE REAL-TIME WARNING - When high temperatures or thick smoke are detected, the Meross App or the Apple Home app are notified immediately. Even if you are not at home, you can receive timely alarm information. Smoke detector is tested according to EN 14604, EN 61000, EN 50130, certified by Intertek and SGS.

COMPLETE HOME AUTOMATION - Set triggers to others Meross -Devices in the Meross -App to control. For example, turn on the Meross -Light bulb on in the hallway when the smoke detector sounds. Other usage methods are waiting to be activated by you.

COMPATIBILITY WITH Apple HomeKit（iOS 13 or higher）and SmartThings Supported device control via the Meross -App and Apple Home (Apple Watch/ Apple TV/ HomePod). Android users use the Meross -App running Android 6.0 or higher.

Please note that our hub's signal coverage is 100 M (not blocked). When the hub is placed in a cabinet or other room, the coverage is affected and the connection becomes unstable.

Your accessories are on and near the wireless router with strong 2.4 GHz WiFi coverage.

Connect your iPhone or iPad to a 2.4 GHz WiFi network to add the accessories. The installation fails on a 5 GHz WiFi network. If you have a mesh WiFi system or a unique WiFi name for both the 2.4 GHz and 5 GHz bands, the router will allow you to complete the pairing in most cases. If the Home app is unable to pair the accessories, please temporarily turn off your router's 5 GHz WiFi until the accessories have been successfully added.

Make sure VPN/DSN services are turned off and leave location services turned on for the Home app on your phone.

SMOKE DETECTORS FOR HOME: The optical smoke alarm makes protecting your home simple. Its optical sensing chamber 'sees' smoke as it enters the alarm, providing a fast response to slow burning fires with thick white smoke.

FEWER NUISANCE ALARMS: The advanced optical sensor ensures the FireAngel smoke alarm is less prone to false alerts from cooking fumes. Avoid placing near bathrooms or kitchens.

10-YEAR BATTERY: Each smoke alarm is fitted with a 10-year sealed battery, offering protection for the lifetime of the device without needing to change the batteries.

EASY INSTALLATION: Fitted with a removable base plate, secure it to the ceiling using the screws provided. Push and twist to secure the device. The base plate is identical to the ST622, making replacements quick and easy.

SAFETY ASSURED: The FA6620 smoke alarm holds CE and UKCA marks and is certified to BS EN 14604:2005+AC:2008. Suitable for domestic premises, including leisure accommodation vehicles, it comes with a 5-year warranty.

Alarm linking - When the alarm detects smoke/high temperatures, the alarms connected under the same hub beep to remind you. A hub can simultaneously control 16 devices meross (ins. sensors, detectors, thermostatic valves).

Smoke and overheating detection in addition to smoke detection, it can also detect overheating. When the temperature is too high (54 - 70 ℃), it will beep to remind you. In addition, there is a low battery warning. Alarm of 85 dB maximum.

Real-time alert when high temperatures or heavy smoke are detected, the application Meross or the Apple Home app will receive an immediate notification. Even if you are not at home, you can receive timely information about the alarm.

Whole-home automation set triggers to control other devices Meross in the application of Meross . For example, turn on the light bulb of Meross in the hallway when the smoke detector rings. More methods of use are waiting to be unlocked by you.

Compatible with Apple HomeKit (iOS 13 or later), Alexa, Google Home and SmartThings. Control compatible devices through the app Meross and Apple Home (Apple Watch/Apple TV/HomePod). Android users use the app Meross on Android 6.0 or higher.

Note! It is needed Meross HomeKit Hub for installation.