Fangrui Product Details Plastic Flame Retardant Bottom Shell, Safe And Worry-free To Use Measurement Accuracy To 0.3c/rh The Sensor Cable Is 100cm Long, Making The Measurement More Convenient And Fast Product Name: Intelligent Temperature And Humidity Controller Product Model: W1212 Power Supply Voltage: Ac110-220v Working Frequency: 50hz Measuring Range: -40c-120c 0-rh Measurement Accuracy: Temperature 0.3c, Humidity Rh Sensor Cable Length: 100cm Tips: In Normal Mode, Short The Setting Key Or Plus And Minus Keys To View The Setting Parameters, It Return To Normal Mode After 1 Second. In The Setting Mode, If No Key Is Pressed, It Automatically Return To The Normal Working Mode After 10 Seconds. In The Setting Mode, When A Certain Option Value Is Set, If The Power Button Is Not Pressed To Confirm The Return, It Automatically Return To The Normal Working Mode After 10 Seconds, And The Value Not Be Saved. Colour:as Shown Material:plastic Package Contents: 1 X Aquarium Thermostat Only The Above Package Co