The hygrometer is a high quality digital humidity controller, brand new and fine quality ABS material, not easy to aging, durable. The digital hygrometer has multiple voltage options: 12V / 24V / 220V optional, which can be selected according to the application. The digital hygrometer has high measurement accuracy, 0.1%, and the data is easy to read. A secure chip makes the device smarter and more efficient. The humidity sensor has a simple panel: two buttons on the top and bottom for easy setup and operation, convenient installation and performance. Wide humidity measuring range, humidity 00%~99%, wide application range, can be used to control humidity in many places, such as farms and other factories. xh-W3005 Multifunctional Practical High Precision Digital Humidity Controller Hygrometer Switch Product Description Item Specifics: Model: XH-W3005 Display Type: Digital Item Size: 60*45*31mm Item Weight: 87.5/94g Output capacity: up to 10A Output type: direct output Humidity range: 00%-99%RH Control accuracy: +/-0.1%RH Measurement accuracy: +/-2%RH Power supply type: 12V, 24V, 220V (optional) Note: Connect to the power supply, display the humidity instructions. Set to start humidity: Press the UP button display and start humidity, long press about 3 seconds to start humidity flashing, then press UP or Down to set the set. Set to stop humidity: Press the Down button display and stop humidity, long press about 3 seconds to stop the humidity flashing, then press UP or Down to adjust the set. Restore Factory Settings: Press UP and Down button at the same time, it will display 888 then automatically detect the humidity. Package List: 1 * Humidity Sensor 1 * XH-W3005 Humidity Controller