?Built-in sensor? Immerse the probe in an aquarium to measure the water temperature (probe only, do not immerse the thermometer in water). The built-in sensor accurately detects the temperature of the aquarium. ?Moisture Resistant? The LCD display thermometer is moisture resistant and unaffected by the environment. So you can view and display accurately. ?High quality? The shell is made of high quality plastic, which is environmentally friendly, anti-aging and durable. Small and light, easy to carry. ?Suction cup? With a suction cup, it is easy to install on the tank wall. The high-brightness display is clear and easy to read. Compact design for discreet use. ?Largely used? A water thermometer with waterproof probe and digital display is a good tool for detecting the temperature in the aquarium, which cares well for roast fish and shrimp as well as your favorite fish. Specifications: Item Type: Digital Thermometer Material: plastic shell, electronic components Optional colors: yellow,