Connect the power to display the humidity indicator. Set the initial humidity: Press the UP key to display the initial humidity value; press and 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; press and hold for approximately 3 seconds until the value begins flashing, then use UP or DOWN to adjust the setting. Press UP and DOWN simultaneously to display “888” and initiate automatic 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: 1 × Humidity Controller Note: Due to lighting conditions and screen settings, the actual product color may vary slightly from images shown. Measurement tolerance: ±1–3 cm.