楼宇对讲系统，视频对讲机，模拟式，室外机 # RL-617D2

Model # RL-617D2 ● Calling indoor monitor or administration center from the outdoor station directly. ● Can call administration center directly. ● Password and IC/ID card for access control unlocking function. ● Multi outdoor stations can be connected for one building. ● Built-in direction adjustable camera of outdoor station with night vision. ● Blue back light for keypad. ● TFT screen for high definition images.