Submerge probe into fish tank to measure water temperature (Submerge probe only, do not submerge thermometer in water).

Easy to apply suction cup and easy to read lcd screen; temperature readings to within 1 degree

Large, easy to read lcd display; compact design for discrete use

Temperature range -50 degree Celsius ~ + 70 degree Celsius; Operating temperature -10 degree Celsius ~ +50 degree Celsius.

Powered by one lr44 button cell (included)

Mini & Compact Aquarium Thermometer：Designed with a slim 46 × 46 × 12 mm body, this fish tank thermometer fits neatly on the aquarium wall without blocking the view. Small, lightweight and practical for daily monitoring.

Touch-Activated LED Display：Lightly touch the screen to instantly light up the LED display. This aquarium thermometer digital is easy to read day or night without disturbing your fish.

Accurate Temperature Range for Fish Tanks：Measures temperatures from 0°C to 60°C, suitable for cold-water fish and fish tank thermometer tropical environments. Helps maintain stable aquarium conditions.

Auto Sleep & Long Battery Life：The fish tank thermometer automatically turns off after display to save power, offering extended battery life and long-term reliable use.

Easy External Adhesive Installation：Simply attach the thermometer to the outside of the aquarium below the waterline. No wires, no tools required. Note: Designed for external use only, do not submerge in water.

𝗡𝗲𝘄 𝗙𝗶𝘀𝗵 𝘁𝗮𝗻𝗸 𝗧𝗵𝗲𝗿𝗺𝗼𝗺𝗲𝘁𝗲𝗿: The QZQ new fish tank thermometer tropical offers two temperature display modes. Press and hold the fingerprint button for 3 seconds to quickly switch between Celsius and Fahrenheit, catering to the usage habits of people in different regions. With its unique battery swap buckle design, it can be easily removed and installed with just a push and release. It is an ideal choice for aquarium thermometer.

𝗛𝗶𝗴𝗵-𝗽𝗿𝗲𝗰𝗶𝘀𝗶𝗼𝗻 𝗠𝗼𝗻𝗶𝘁𝗼𝗿𝗶𝗻𝗴: This fish tank temperature gauge and axolotl tank accessories adopts high-performance and high-sensitivity temperature sensors, which are updated every five seconds to ensure the accuracy of temperature monitoring. The measurement range is 0℃-60℃ (32°F-140°F), with an accurate measurement of ±1℃ (±2°F). Whether it is cold-water fish or tropical fish, it can capture the subtle changes in water temperature in real time.

𝗘𝗮𝘀𝘆 𝗧𝗼 𝗨𝘀𝗲: The thermometer for fish tank is easy to set up. For the first use, just tear off the white tape on the back, stick the fish tank thermometer to the position below the water level line on the outer wall of the fish tank, and let it stand for 5 minutes. Then you can observe the temperature of the fish tank. The operation is simple. Note: Please do not use in water!

𝗘𝗻𝗲𝗿𝗴𝘆-𝘀𝗮𝘃𝗶𝗻𝗴 𝗔𝗻𝗱 𝗗𝘂𝗿𝗮𝗯𝗹𝗲: This aquarium thermometer automatically goes into sleep mode 5 seconds after no operation and is activated by touch. It is powered by CR20323V battery, which can last up to 12 months. It is energy-saving and durable, providing an ideal solution for you to choose aquarium accessories!

𝗪𝗼𝗿𝗿𝘆 𝗙𝗿𝗲𝗲 𝗔𝗳𝘁𝗲𝗿 𝗦𝗮𝗹𝗲:If you have any questions about our aquarium thermometer digital or the product is defective/damaged,please contact us,we will reply and help you within 24 hours.Customer satisfaction is our eternal pursuit.

Ultra-Thin Stick-On Thermometer: This digital aquarium thermometer boasts a slim, unobtrusive body that mounts externally on glass tanks with its built-in adhesive. No bulky equipment inside your tank—perfect for keeping the view clean while monitoring water temperature for betta, axolotl, or turtle habitats with style and ease.

Instant Temperature Feedback: Designed with an advanced sensor probe, this fish tank thermometer provides fast and accurate readings of water temperature ranging from 0°C to 60°C. With a precise ±1°C error margin, it allows aquarists to maintain stable aquatic conditions essential for the health of freshwater or marine species.

Touch Activation Energy-Saving Sleep Function:Forget traditional switches—simply tap the sensor panel to activate the display. This fish tank temperature gauge automatically enters power-saving mode after 5 seconds of inactivity, conserving the included CR2032 battery and extending usability for up to 12 months without frequent replacements.

Universal Compatibility: Whether you’re caring for tropical fish, shrimp tanks, planted aquascapes or saltwater coral systems, this mini thermometer for fish tank supports a broad range of aquariums. The stick-on format ensures compatibility with curved or flat tanks made of glass or acrylic, making it highly versatile for hobbyists.

Tool-Free Setup: No tools or wires needed—just peel and press the tank thermometer onto the outer wall below the waterline. It avoids internal clutter and electrical risks, while ensuring reliable readings unaffected by external room temperatures or water splashes, making it safer for pets and easier for owners.

New digital aquarium thermometer:LED display fish tank thermometer with professional LCD visual effect,the fish tank and aquarium water temperature can be displayed clearly despite the night light and can be easily read. Mini compact body design is suitable for a variety of different types of fish tanks and aquariums,is a must have fish tank accessories.

Safe wireless touch design:The digital fish tank thermometer comes with a touch power button,which can be easily awakened by clicking.The built-in high sensor probe measures the water temperature for fish tank,well-organized wire in the fish tank to protect the fish from being swallowed or electrocuted,providing a clean and safe living environment for pet fish axolotl turtle.

Simple installation and accurate data:The tank thermometer does not need any installation tool to remove the adhesive on the back,stick it on the outside of the tank below the tank water level,and after standing for 5 minutes,it can accurately and real-time monitor the aquarium temperature change.tank thermometer aquarium measurement range of the tank thermometer is 0°C~60°C,the accuracy is 0.18°C ,and the error is ±1 ° C.which is suitable for axolotl tank,turtle thermometer,saltwater fish tank accessories,betta fish tank thermometer,etc.,

Long life battery:Thermometer for aquarium fish tank is powered by CR2032 battery (including),and the battery lasts up to 12 months.the wireless aquarium digital thermometer will automatically enter the sleep mode after 5 seconds of no operation,extend the battery life and more environmental friendly and energy saving.

Worry free after sale:If you have any questions about our digital fish tank thermometer or the product is defective/damaged,please contact us,we will reply and help you within 24 hours.Customer satisfaction is our eternal pursuit.

𝐍𝐞𝐰 𝐀𝐪𝐮𝐚𝐫𝐢𝐮𝐦 𝐓𝐡𝐞𝐫𝐦𝐨𝐦𝐞𝐭𝐞𝐫:HOSCARER new fish tank thermometer with two switchable modes. Long press the power button for 3 seconds to quickly switch between Celsius and Fahrenheit. It also features a creative circular ring buckle design for battery replacement — simply align the three holes on the back of the thermometer with the three buckles on the base, then gently rotate left or right to easily remove and reinstall. It is an ideal choice for aquarium accessories.

𝐇𝐢𝐠𝐡-𝐏𝐫𝐞𝐜𝐢𝐬𝐢𝐨𝐧 𝐒𝐞𝐧𝐬𝐢𝐧𝐠:The fish tank thermometer is equipped with a high-precision sensor core that updates readings every 5 seconds for accurate temperature monitoring. It measures temperatures from 0℃ to 60℃ (32°F to 140°F) with an accuracy of ±1℃ (±2°F), allowing it to capture even the smallest changes in water temperature in real time, whether for cold-water or tropical fish.

𝐄𝐚𝐬𝐲 𝐈𝐧𝐬𝐭𝐚𝐥𝐥𝐚𝐭𝐢𝐨𝐧: The thermometer for fish tank is easy to set up. For first-time use, simply peel off the white circular adhesive on the back, stick the thermometer to the outer wall of the aquarium below the waterline, and wait for 5 minutes to start monitoring the temperature. Even beginners can operate it easily. Note: Do not use it submerged in water!

𝐄𝐧𝐞𝐫𝐠𝐲-𝐒𝐚𝐯𝐢𝐧𝐠 𝐚𝐧𝐝 𝐃𝐮𝐫𝐚𝐛𝐥𝐞: This fish tank temperature gauge features a low-power design, automatically entering sleep mode after 5 seconds of inactivity, and can be activated with a single touch,it provides an ideal solution for your axolotl tank accessories needs.

𝐖𝐢𝐝𝐞 𝐑𝐚𝐧𝐠𝐞 𝐨𝐟 𝐔𝐬𝐞𝐬: This circular rotating aquarium thermometer is suitable for various environments, including fresh water, salt water, etc. It is highly suitable for fish, providing necessary temperature monitoring for their health and safety

accurate and easy-to-read thermometer

mounts easily on outside of glass

ideal for fresh and saltwater tanks

temperature range of 64 to 86 degrees fahrenheit

Age range description: All ranges

Accurate LCD Digital Aquarium Thermometer for Fish Tanks – Get precise temperature readings from -50°C to 70°C with ±1°C accuracy, ensuring optimal water conditions for tropical fish, bettas, goldfish, and more.

Aquarium Thermometer with Waterproof Probe for Fast Readings – Features a highly sensitive waterproof sensor that ensures real-time and consistent water temperature monitoring, ideal for both freshwater and saltwater tanks.

Easy-to-Read Large LCD Display Thermometer for Aquariums – The clear digital screen shows temperature in bold digits, allowing quick checks from any angle, perfect for home aquariums and professional aquatic setups.

Fish Tank Thermometer with 2 x Suction Cup Mount for Secure Placement – Comes with strong suction cups for effortless attachment to tank glass; keeps the thermometer in place for stable, uninterrupted monitoring. One suction cup is for display unit and the other one is for probe placement.

Battery-Powered Digital Thermometer with AG13 Cell Included – Ready to use out of the box, this aquarium temperature gauge includes a 1.5V button battery, offering hassle-free setup and immediate functionality.

Durable ABS Plastic Fish Tank Thermometer – Safe and Non-Toxic – Crafted from high-quality ABS material that’s odorless and eco-friendly, making it safe for use in all types of aquatic environments including shrimp tanks.

Digital Thermometer for Reptile Terrariums, Aquariums, and Vivariums – Versatile design makes it suitable not just for fish tanks but also reptile habitats, turtle tanks, frog enclosures, and more.

Compact & Lightweight Fish Tank Temperature Gauge – Slim design with a 1-metre long cable makes it easy to hide or position wherever needed; ideal for nano tanks, breeding tanks, and planted aquascapes.

Thermometer for Betta Fish Tanks & Tropical Aquariums – Ensure bettas and tropical fish stay within their safe temperature range, helping prevent stress, disease, and temperature shock.

Reliable Indoor Water Thermometer for Home Aquariums & Spas – Perfect for home aquariums, hydroponics systems, and even spa water monitoring—multi-use functionality in one smart device.