Connect the power and display the humidity indicator. Set the initial humidity: Press the UP key to display the initial humidity value, hold for approximately 3 seconds until the value begins flashing, then use UP or DOWN to adjust the setting. Set the humidity stop point: Press the DOWN key to display the humidity stop value, hold for approximately 3 seconds until the value begins flashing, then use UP or DOWN to adjust the setting. Restore factory settings: Press and hold both UP and DOWN keys simultaneously; the display will show “888” and automatically initiate humidity detection. Model: XH-W3005 Humidity range: 00%–99% RH Humidity control accuracy: 0.1% RH Measurement accuracy: ±2% RH Load power: AC 110–220 V, 1500 W Maximum output current: 10 A Output type: Direct output Dimensions: 60 × 45 × 31 mm Material: Metal + Plastic Color: As shown Package contents: 2 × Humidity Controller Note: Color may vary slightly due to lighting conditions and screen settings. Measurement tolerance: ±1–3 cm.