Features 1、Great Accuracy: Highly accurate chip enables better testing in both temperature and humidity, which also ensures wide measuring range. 2、Remote Control: Dual network port design will largely simplify the wiring, and the communication distance can get up to 1200 meters. 3、Reliable Works: DC 10-30V wide voltage input, the temp sensor has stable working performance and strong anti interference ability. 4、Wide in Utility: Allows for wide application in building, workshop, warehouse, library, laboratory, office and so on, very useful. 5、Easy to Install: Support magnetic installation and upside down installation, the humidity monitor is very convenient to install. Specification Item Type: Temperature Sensor Material: ABS, magnet. Temperature Measurement Range: -20℃~70℃, Humidity Measurement Range: 0~100%rh. Measurement Accuracy: Temperature: ±0.3℃, Resolution: 0.1℃. Humidity: ±3%Rh, Resolution: 0.1rh Output Interface: RS485 Communication Protocol: RTU Mailing Address: 1-63 Baud Rate: 2400 bit/s 4800 bit/s, 9600 bit/s, 19200 bit/s. Average Power Consumption: <2mA (12v) Installation Method: Magnetic installation, upside down installation. Package List 1 x Temperature Sensor 2 x Screw 2 x Wall Plug