CONTROLLER ACCURACY: 0.1 0.1% RH, two in one temperature / humidity controller, high quality movement, more accurate measurement, more direct reading CABLE LENGTH: approx. 52cm / 20.5in, automatically judge humidification / dehumidification working mode, very convenient. WIDE APPLICATION: Wide range of applications, such as hatching and breeding temperature control, control constant temperature and humidity island of control cabinet, interior, workshop, digital 3C, etc. MATERIAL: Phenolic plstic plate, controller precision is 0.1 0, 1% RH, made of phenolic laminated cardboard, easy to use, can work well. MEASURING RANGE: Humidity range is 0 ~ 100% RH, temperature measuring range is -20 ~ 60 , stable performance. Specification: Condition: 100% brand new Item type: Temperature and control module humidity XH-M452 Material: Phenolic Plstic Plate Output: 10A delay Power supply: DC 12V Size: approx. 65 x 55 x 28 mm / 2.6 x 2.2 x 1.1 inches Humidity range: 0 ~ 100% RH Test probe: built-in sensor Accuracy of controller: 0.1 0.1% RH Temperature measuring range: -20 ~ 60 Cable length: approx. 52 cm / 20.5 inches Instructions for use: Set the starting temperature + In normal display state, long press? +? button for 3 seconds to flash the temperature value, press the +/- button to adjust the value, without operation for 5 seconds, it will automatically return to the detection temperature display. Set stop temperature In normal display state, long press "-" button for 3 seconds to stop temperature value flashing, and press the +/- button to adjust the value. Reset to factory settings Long press temperature button "-" and humidity button "+" at the same time for 3 seconds, the display digital 888 888. List of packages: