Features Excellent ABS Material --- This temperature and humidity transmitter is made of excellent ABS material, which is sturdy and wear resistant, high temperature resistant, and has a long service life. Quick Response --- This temperature and humidity transmitter can respond quickly and reflect the measured energy changes in real time, so that the control system can make timely adjustments. High Measurement Accuracy --- This temperature and humidity transmitter has high measurement accuracy, with accurate measurement results, and can be used in a variety of situations. Easy Wiring --- This temperature and humidity transmitter has four wires, and wiring is very simple, you just need to connect the wires and use it. Wide Application --- This temperature and humidity transmitter has a wide range of applications and can be used in greenhouses, plant rooms, laboratories and museums. Specification: Item Type: Temperature Humidity Transmitter Material: ABS Model: FG1485 Supply Voltage: 12-24V DC Power Consumption: <5W Working Temperature: -20-80℃ ( Default ) Measurement Accuracy: ±0.5℃,±3%RH (25℃ 60%RH), Resolution: 0.1℃,0.1%RH Output Signal: RS485 for MODBUS RTU Leading Wire Length: Approx. 49cm/19.3in ( Manual measurement will have less than the error. ) Red: VCC, Yellow: A+, Black: GND, White: B-. Package List:1 x Temperature Humidity Transmitter Package List 1 x Temperature Humidity Transmitter