Features： 1、SUPERIOR PERFORMANCE: High accuracy temperature and humidity measurement unit, long term stability, small volume. 2、STANDARD PROTOCOL: Standard communication protocol, communication address and baud rate can be set with special 485 circuit. 3、EASY TO INSTALL: Wall mount or rail mount. High dustproof grade (IP65). 10~30V wide voltage range power supply 4、WITH DIGITAL DISPLAY: LCD display, beautiful and generous. Button to set parameters, easy to operate. 5、 ABS MATERIAL: ABS material, sturdy and durable, long service life. Specification： Item Type: Temperature Humidity Transmitter Material: ABS Weight: Approx. 178g/6.3oz Size: Approx. 147x88x41mm / 5.8x3.5x1.6in Screen Size: Approx. 51x36mm / 2.0x1.4in DC Power Supply (Default): DC 10-30V Maximum Power Consumption: 0.4w A Accuracy: Humidity: ±2%RH(60%RH,25℃) Temperature: ±0.4℃（25℃） B Accuracy: Humidity: ±3%RH(60%RH,25℃) Temperature: ±0.5℃（25℃） (Default) : -20 Degree C To +60 Degree C, 0%rh To 95%rh (Non Condensing) - 40 ℃ ~ + 120 ℃ Default: - 40 ℃ ~ + 80 ℃ Transmitter Circuit Operating Temperature and Humidity: 0%RH-100%RH Probe Operating Temperature: Modbus RTU Protocol Probe Working Humidity: 485 Signal Agreement: 0.1 ℃ Output Signal: 0.1%RH Temperature Display Resolution: 1s Humidity Display Resolution: 70mm T/h Refresh Time: Humidity: ≤1%RH/y Temperature: ≤0.1℃/y Response Time: Humidity: ≤8s (1m/s Wind Speed) Temperature: ≤25s (1m/s Wind Speed) Parameter Settings: Can Be Directly Modified Through Software Settings Or Buttons Product Model: RS: Code WS: Temperature and Humidity Sensor N01-485 Communication (Modbus RTU Protocol) 2D-LCD Industrial Wall Hanging (Lquid Crystal Display) Special Wiring: Circuit Identification Specification: Power Supply VCC V+（10~30V DC） Power Supply GND V- Communication: 485 A 485 - A 485B 485-B Basic Communication Parameters: Password: 8 Bit Binary Data Bit: 8 Bits Parity Bit: Does Not Exist Stop Bit: 1 Person Error Checking: CRC (Cri Cyclic Redundancy Check Code) Baud Rate: The value can be 2400bit/s, 480 bit/s, or 9600bit/s. The default value is 480 bit/s Wiring Instructions: Power Supply and 485 Signal Wide Voltage Power Input Can Be 10~30V. When Connecting the 485 Signal Cable, Ensure That the Two Lines A\b Cannot Be Reversed, and the Addresses of Multiple Devices on the Bus Cannot Conflict℃) Temperature: ±0.5℃（25℃） (Default) : -20 Degree C To +60 Degree C, 0%rh To 95%rh (Non Condensing) - 40 ℃ ~ + 120 ℃ Default: - 40 ℃ ~ + 80 ℃ Transmitter Circuit Operating Temperature and Humidity: 0%RH-100%RH Probe Operating Temperature: Modbus RTU Protocol Probe Working Humidity: 485 Signal Agreement: 0.1 ℃ Output Signal: 0.1%RH Temperature Display Resolution: 1s Humidity Display Resolution: 70mm T/h Refresh Time: Humidity: ≤1%RH/y Temperature: ≤0.1℃/y Response Time: Humidity: ≤8s (1m/s Wind Speed) Temperature: ≤25s (1m/s Wind Speed) Parameter Settings: Can Be Directly Modified Through Software Settings Or Buttons Product Model: RS: Code WS: Temperature and Humidity Sensor N01-485 Communication (Modbus RTU Protocol) 2D-LCD Industrial Wall Hanging (Lquid Crystal Display) Special Wiring: Circuit Identification Specification: Power Supply VCC V+（10~30V DC） Power Supply GND V- Communication: 485 A 485 - A 485B 485-B Basic Communication Parameters: Password: 8 Bit Binary Data Bit: 8 Bits Parity Bit: Does Not Exist Stop Bit: 1 Person Error Checking: CRC (Cri Cyclic Redundancy Check Code) Baud Rate: The value can be 2400bit/s, 480 bit/s, or 9600bit/s. The default value is 480 bit/s Wiring Instructions: Power Supply and 485 Signal Wide Voltage Power Input Can Be 10~30V. When Connecting the 485 Signal Cable, Ensure That the Two Lines A\b Cannot Be Reversed, and the Addresses of Multiple Devices on the Bus Cannot Conflict Package List： 2 x Screw 2 x Expansion Tube 1 x Temperature Humidity Transmitter 1 x Instruction