A. The product is in good condition and of nice quality. B. Specifications: - LED display: It may have red or blue light, and the color is randomly shipped. - Humidity range: 00% - 99%RH. - Humidity control accuracy: 0.1%RH. - Measurement accuracy: ±2%RH. - Load power: 110V - 220V. - Maximum output: 10A. - Output type: Direct output. C. Instructions for use: - Set the starting humidity: Press the “UP” button to show the starting humidity. Long - press it for about 3 seconds. The digits of the starting humidity will flash. Then press the “UP” or “Down” button to make adjustments and set. - Set the stopping humidity: Press the “Down” button to show the stopping humidity. Long - press it for about 3 seconds. The digits of the stopping humidity will flash. Then press the “UP” or “Down” button to make adjustments and set. - Restore factory settings: Press the “UP” and “Down” buttons at the same time. “888” will be displayed, and then the humidity will be automatically detected. D. Package contents: - 1 digital humidity controller. - 1 humidity sensor.