Feature: 1. Wide in Range: Comes with high accuracy, the temperature humidity sensor has wide test range of ‑40~120℃ and 0‑99.9%RH, very reliable. 2. Stable Output: Thanks to the digital conditioning circuit, the probe sensor can turn the test result into stable 4‑20mA 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 Sensor Model: FG6020 Power Supply: 15-30V DC Output Signal: 4-20mA Current Signal Accuracy and Range: Temperature: ±0.5℃. Humidity: ±3%RH Temperature: -40~120℃. 0~50 ℃ default, -20~80℃, -40~6 ℃. Humidity: 0-99.9%RH Wire Description: Red: Power Supply, 15-30V DC. Yellow: Humidity Current Signal Output White: Temperature Current Signal Output Black: Negative, grounding. . Package List: 1 x Temperature Humidity Sensor2 x Screw2 x Wall Plug1 x Pin Ejector2 x Accessory