Features: 1. The original chip of this temperature and humidity control module is safe and reliable. 2. Partition design, symmetrical partition design, use different colors to distinguish, eye-catching and intuitive. 3. High-performance relays have an on-off life of 100,000 times, large contact load power, safe and durable. 4. Large European-style terminal is convenient for wiring, large exterior conductive contacts and large current can be conducted smoothly and without obstruction. 5. The 1.6mm double-layer circuit board features a glossy exterior, high mechanical strength, no cracks in the section and high dielectric properties. Specifications: Item Type: Humidity Controller Board Material: PCB Uses: Constant temperature and humidity control of control cabinet, incubation and breeding temperature control, tobacco industry, printing press Power supply voltage: DC12V Temperature measuring range: -20~60 Humidity range: 00%~100%RH Control accuracy: 0.1 0.1%RH Detection probe integrated sensor Output type : relay output Output capacity: MAX10A 1. Main point setting: start temperature < stop temperature (the program automatically determines that the working mode is heating mode); start temperature > stop temperature (the program automatically determines that the working mode is cooling mode) Setting method 2. Set the start temperature: long press the "+" button, the start temperature flashes and adjust the starting temperature value using +/- button Set the stopping temperature: long press the "-" button to stop the temperature flashing and set the stopping temperature value using of the +/- button Restore factory settings: long press the temperature "-" key and the humidity "+" key at the same time for 3 seconds, the digital display 88888 Package list: 1 x control module 1 x integrated sensor