Features: Accurate Display--Our aquarium electronic Thermometers accurately measure temperatures ranging from 0-99.9℃. The LED screen displays the water temperature, visible for up to 10seconds. Enjoy clear readings in day/night. LED Screen--Equipped with a LED screen, whether for day /night, you can easily read the temperatures. The cordless tool ensures a clean and safe environment for your fish. Versatile Usage--Maintain the living conditions for your pet by adjusting the temperature accordingly. Whether you are fish enthusiasts, reptiles lover, our Thermometers is essential tool for ensuring their enviroment. Easy to Mount--No installation tool are required, just remove the tape and stick on the fishtank to use. Specifications: Component: ABS+Electronics Size: Approx.5.2x2.8cm/2.36x0.47x1.34inch Type: As Shown Quantity: 1 Pc Package Includes: 1pc Aquarium Thermometers note: 1.Please allow 1-2cm errors due to manual measurement, note that you donot mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.