Description ZDD Description:Feature: Large LCD display Easy to apply with suction cup Compact design for discrete use Celsius and Fahrenheit Simple to operate Clear display: Comes with large, clear LCD display, easy to read even in a long distance. Suction cups: The two suction cups make installation easy and convenient. Easy operation: Equipped with a probe, you can submerge the probe into fish tank to measure water temperature (Note: submerge probe only, please do not submerge thermometer in water) and : You can transform the to by pressing button. Operation: 1.Attach the display unit to the outside of the tank with the suction cups. 2.Submerge the probe into the water. 3.Keep pressing the power (PWR) button to turn on and hold the power button for 3 seconds to turn off.Warm tips: Submerge probe only, please do not submerge thermometer in water.Specifications:Specification:Material: ABS Color: black Overall size: 58 x 38 x 17mm Package Included:1xWater Tank Thermometer Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.