Working at -40℃ -+70 ℃ (Industrail Standard)
20+ I/O output and imput for external Control like CCTV, Door, Signal light...etc
Camera optional
TFT display
Webpage up to 50+ IP station direct call without Server
Adjustable sound volume
IP address Sound reporting & LCD display
Door phone RFID card reader
Boradcast amplifier for paging option