Usage Tips:Display Type: Digital Usage: Household Model Number: XH-W3005 Style: Embedded Max Measuring Temperature: 49 Celsius and under Humidity Sensor Range: 0-99% RH Humidity Control Precision: 0.1% RH Measuring Accuracy: +/- 2% RH Moisture Range: 0-99% RH Max Output: 10A Output Type: Direct Output Connect to power supply to display humidity Set Start Humidity: Press the UP button to display start humidity; long press for about 3 seconds until the start humidity flashes, then press UP or DOWN to adjust the setting Set Stop Humidity: Press the DOWN button to display stop humidity; long press for about 3 seconds until the stop humidity flashes, then press UP or DOWN to adjust the setting Restore Factory Settings: Press UP and DOWN buttons simultaneously; display will show 888, then automatically detect humidity Color: White Voltage: High Pressure - AC220V Material: ABS Size: 60 x 45 x 31mm Package Contents: 1 x Digital Humidity Controller 1 x Humidity Sensor Only the above package content, other products are not included Note: Light and different displays may cause the color of the item in the picture to be slightly different from the real thing. Measurement allowed error is +/- 1-3cm