7 inch LED water color screen with speaker and without earphone
 It can be connected to the multi-system camera
 It is also linked to the single camera system
 Possibility to connect it to 2 screens, 2 gateway cameras, and 2 intercoms
 The ability to speak via video and audio, easily and quickly
 a model :   7 CDV-70M
 Brand: COMMAX
 Made in Korea