Wireless Design: The aquarium thermometer features a wireless design that effectively prevents fish from accidentally swallowing it. Unlike probe thermometers, the digital aquarium thermometer requires simple removal of the adhesive film before placing it outside the aquarium to ensure accurate temperature readings. Wireless setup ensures a cleaner environment for your fish. Precise measurement: With its high-precision temperature sensor, the aquarium thermometer updates the temperature measurement value every 5 seconds and quickly detects temperature fluctuations and ensures precise accuracy. It covers a temperature range of 0 to 99.9 with an accuracy of 0.1 and a deviation of 0.5 (Celsius display only) and thus ensures that you have the most accurate temperature data. Efficient use of energy: A simple touch indicates the thermometer, and after 5 seconds of no use, the high-precision induction aquarium thermometer goes into sleep mode, saving energy energy and is environmentally friendly. The stick-on aquarium thermometer has a built-in CR2032 coin cell battery that lasts up to 24 months. When the battery is empty, replacement is very simple. Wide application: suitable for different types of water, including fresh water, tap water, salt water and sea water. This digital aquarium temperature is able to effectively monitor the temperature of different containers such as aquariums, turtle tanks, coral tanks, plant pools, etc. more. This ensures the most comfortable water temperature environment is created for your beloved pets