Features: Accurate Display--Our aquarium electronic Thermometers accurately measure temperatures ranging from -10~+60℃. High and low temperature automatic alarm (default: hightemperature 34℃, low temperature 15℃) 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. Wide Usage--Maintain the living conditions for your pet by adjusting the temperature accordingly. Whether for fish enthusiasts, reptiles lover, our Thermometers is essential tool for ensuring their enviroment. Easy to Mount--No installation tool required, just remove the tape and stick on the fishtank to use. Specifications: Component: ABS+Electronics Size: Approx.48x28x10mm/1.8x1.1x0.4inch 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.