Features:
* Bright, clear LCD display and based on RFID technology with10/100 base-T Ethernet port
* RS232 serial port for connecting external serial devices
* Two relays to control external loads such as electric bells
* Internal flash memory stores roughly 6,000 event log records
* Wall-mount or desktop operation (programmable display orientation)
* Internal backup battery for the real-time clock
* Firmware and internal application may be upgraded through the network or serial port
* Built-in Web server for administration and event log download