Item Type: Temperature Humidity Sensor_x000D_Model: FG6020_x000D_Power Supply: 15-30V DC_x000D_Output Signal: 4-20mA Current Signal_x000D_Accuracy and Range: _x000D_Temperature: 0.5. Humidity: 3%RH_x000D_Temperature: -40~120. 0~50 default, -20~80, -40~6 . _x000D_Humidity: 0-99.9%RH_x000D_Wire Description: _x000D_Red: Power Supply, 15-30V DC. _x000D_Yellow: Humidity Current Signal Output_x000D_White: Temperature Current Signal Output_x000D_Black: Negative, grounding. 1Wide in Range: Comes with high accuracy, the temperature humidity sensor has wide test range of ?40~120 and 0?99.9%RH, very reliable. 2Stable Output: Thanks to the digital conditioning circuit, the probe sensor can turn the test result into stable 4?20mA signal output. 3Broad Utility: Allows for wide application in data detection, outdoor greenhouse, collection, warehouse storage, building automation, etc. 4Reliable Work: IP68 multi layer waterproof protection, 45 degree angle impact resistance, detachable anti blocking design, very durable. 5Easy to Install: Light in weight and compact in size as well, the temperature humidity sensor probe is very convenient to install. 1 x Temperature Humidity Sensor 2 x Screw 2 x Wall Plug 1 x Pin Ejector 2 x Accessory