Aquarium Thermometer: The aquarium thermometer adopts an HD LED screen to display the temperature. The viewing angle is wide, making it easy to read the temperature information from all directions. The saturated colors make it easy to read the data, day or night. High-precision probe: The tank thermometer has a reading range of 0C to 60C, with an accuracy of 1C and a display resolution of 0.1C. The 5-second refresh rate allows you to monitor the water temperature in real time. Long battery life: The aquarium thermometer has a built-in 3V CR2032 battery, which lasts up to 5 years. The wireless digital aquarium thermometer automatically enters sleep mode after a period of inactivity, extending battery life and being environmentally friendly and energy-saving. Easy to Use: The thermometer adopts a wireless and touch-sensitive design to wake up, avoiding wires in the water, providing a clean and safe environment for fish. Just peel off the adhesive and stick it below the water level outside the aquarium. (Do not put the thermometer in the water). Wide Application: Suitable for axolotl aquarium, turtle thermometer, saltwater aquarium accessories, betta aquarium thermometer, etc. Suitable for different types of water, such as freshwater, tap water, saltwater, seawater, etc.