The Monitor has status LEDs for process violation indication. RH, Temperature and Differential pressure will display individually and data transfers to any master device on MODBUS RTU RS-485 communication. It also has communication diagnosis LED. The monitor has inbuilt buzzer for audible process violation. It has keypad to program and calibrate the instrument by user. It has Stainless steel Modular Face plate, which is designed as a mounting accessory for monitor suited for Brick and Modular wall for Clean Room applications where you need flush mounting mechanism.