Fangrui Product Details No Worries About The Protocol, Easy Adaptation,can Be Directly Connected To The Existing Modbus System Without Worrying About Protocol Matching Issues. 16-bit Adc,resolution Up To 0.1 High Protection Isolation,support Rs485 Isolation, Power Supply Isolation (2000v), And Power Supply Reverse Connection Protection;lightning-protection And Surge Protection, High Protection Electrical Isolation. Soft And Hard Dual Watchdog,reliable And Stable Operation Without Crashes, Industrial-grade Chips Can Operate Stably And Reliably For A Long Time. Real-time Temperature Display,built-in Oled Screen Display, Real-time Temperature Status Is Clear At A Glance. Hign-concerned Chemical:none Protocol:modbus Tcp/modbus Rtu Operating Voltage:dc8-28v Communication Interface:rj45/rs485 Type:b:6-channel Colour:as Shown Material:plastic Package Contents: 1 * Temperature Acquisition Sensor Only The Above Package Content, Other Products Are Not Included. Note: Light Reflection And Different Displays May Cause The Color Of The