Usage Tips:Model: XH-W3005 Moisture range:00%-99%RH Humidity control precision:0.1% RH Measuring Accuracy: +/- 2%RH Load Power: 220v 1500w MAX Output: 10A output type:Direct output Size:60x45x31mm Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on voltage:AC100-240V Colour:As Shown Material:ABS Instructions: Connect to power supply , diplay Instructions humidity Set start the humidity: Press the UP button display start the humidity , long press about 3s the start the humidity flashing , then press the UP or Down adjust the set Set to stop the humidity: Press the Down button display Stop the humidity , long press about 3s the Stop the humidity flashing , then press the UP or Down adjust the set Restore the factory Settings: press the UP and Down button at the same time , will display 888 then will Automatically detect the humidity Package Contents: 1 * Digital Humidity Controller Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.