How to Use: 1. Connect the sensor to the controller; 2. Connect the power supply to the controller; 3. Adjust the start temperature, stop temperature and temperature correction; 4. Adjust the start humidity, stop humidity and humidity correction; 5. Enable the relay output as required; 6. Remove power; 7. If necessary, connect the load and power supply to the relay output in Step 5; 8. Reconnect the power to the controller; 9. Test and work. Specification: Item Type: Temperature Humidity Controller Material: ABS Weight: Approx. 100g / 3.5oz Product Size: Approx. 80x45x35mm / 3.1x1.8x1.4in Installation Type: Embedded Output Signal: 220V (MA) Working Voltage: DC 6V-30V Control Load Current: 10A (Maximum) LCD Refresh Rate: 0.5 Seconds Temperature Range: -20℃-60℃ Temperature Control Accuracy: 0.1℃ Humidity Range: 0-100RH% Humidity Control Accuracy: 0.1%RH Data Transmission Cycle: 1.0 Second Sensor Cable Length: 1m / 3.3ft Purpose: Control humidity and temperature Scope of Application: All kinds of equipment cabinets, hatching breeding, greenhouse planting, boiler pumps, agriculture, forestry and animal husbandry, food industry, etc. Package List: 1 x Temperature Humidity Controller Note: 1. Please allow 0‑1 inch error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.