Feature:1. Wide in Range: Comes with high accuracy, the temperature humidity sensor has wide test range of 40~120 and 099.9%RH, very reliable.2. Stable Output: Thanks to the digital conditioning circuit, the probe sensor can turn the test result into stable 420mA signal output.3. Broad Utility: Allows for wide application in data detection, outdoor greenhouse, collection, warehouse storage, building automation, etc.4. Reliable Work: IP68 multi layer waterproof protection, 45 degree angle impact resistance, detachable anti blocking design, very durable.5. Easy to Install: Light in weight and compact in size as well, the temperature humidity sensor probe is very convenient to install.Specification:Item Type: Temperature Humidity SensorModel: FG6020Power Supply: 15-30V DCOutput Signal: 4-20mA Current SignalAccuracy and Range: Temperature: 0.5. Humidity: 3%RHTemperature: -40~120. 0~50 default, -20~80, -40~6 . Humidity: 0-99.9%RHWire Description: Red: Power Supply, 15-30V DC. Yellow: Humidity Current Signal OutputWhite: Temperature Current Signal OutputBlack: Negative, grounding. .Package List:1 x Temperature Humidity Sensor2 x Screw2 x Wall Plug1 x Pin Ejector2 x Accessory