VM:
IP over 2-wire non-polarity video door station
IP Camera resolution: 720P
Support motion detection
Provide an Ethernet port to connect with IP camera directly
Response day and night automatically
Support RFID card(optinal)
Support 2 kinds of locks, inner and external power

BM:
Modular design for flush mouting, Support Max.64 users
Nameplate and nameplate light design

LM:
Indicator: Call, Conversation, Unlock(optinal)