Features: High accuracy and wide measuring range. Stable performance, supports long time use. With large and clear display for better readability. Easy to set. Dual humidity display. Specifications: Material: ABS Voltage: 12v, 24v (optional) Display light color: red + red, red + blue (optional) Measuring range: 0%~99%RH Humidity control range: 1%~99%RH Humidity control precision: 1%RH Measuring accuracy: ±3%RH (25℃ environment is the best) Output: 10A Working environment: 90% humidity Item size: 48 * 29 * 22mm / 1.89 * 1.14 * 0.87in Package size: 80 * 50 * 30mm / 3.15 * 1.97 * 1.18in Package weight: 50g / 1.76ounces Note: 1.Due to the different display screen and light effect, the actual color of the item might be slightly different from the color showed on the pictures. 2.Please allow a little measuring deviation due to manual measurement. Package List: 1 * Digital Humidity Controller 1 * 1.5m Sensor