By modifying the 485 address, up to 247 modules can be cascaded (for more than 16 modules, use an R485 repeater) High temperature measurement accuracy with a range of -20℃ to +125℃ Suitable for industrial systems, thermometers, and temperature-sensitive applications Made with high-quality electronic components and precise manufacturing for durability Pins provide reliable contact performance for stable operation Item Type: Temperature Sensor Module Working Voltage: 5V Version: DC 3.7-5.5V; 12V Version: 6-25V Working Current: 7-13mA MODBUS RTU protocol, 03 read command, 06 write command Serial Port Baud Rate: 9600 (default), N, 8, 1 Adapted Sensor: B3950 10K 1% NTC thermistor Temperature Measurement Range (using included NTC sensor): -20℃ to +125℃ Temperature Measurement Accuracy (using included NTC sensor): ±1% Size: Approx. 30 x 15 x 6mm / 1.2 x 0.6 x 0.2in Weight: 5V version 2g, 12V version 2.5g Package Includes: 1 x Temperature Sensor Module