Features: Can be used as thermosta and humidistat controller, simultaneous measurement of temperature (-20-60) and humidity (0 percent -100 percent RH). High accuracy and wide measuring range. Stable performance, supports long time use. With large and clear display for better readability. Supports presetting the range for temperature or humidity, when the temperature or humidity of the environment falls within the range or over the range, it will automatically turn on or off the connected devices. Applied for cabinet control, seedling heat mat, aquarium, pet breeding, incubation, BBQ, electric radiator, electric oven, etc. Specifications: Digital tube color: 1 (red and red), 2 (red and blue) (optional) Voltage: 12V Temperature range: -20-60 Humidity range: 0 percent -100 percent RH Precision: 0.1, 0.1 percent RH Output: 10A Item size: 65 x 55mm or 2.56 x 2.16in Package size: 65 x 55 x 25mm or 2.56 x 2.16 x 0.98in Package weight: 79g or 2.79ounces 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 x Module 1 x Sensor