Crony bv40 video door phone Intercome with monitor

crony video door phone -bv40

 

Color video monitor with clear image and voice Function : Calling, Talking, Monitoring, Remote Control Lock Adjustment : Volume, Brightness, Contrast Installation : Surface Mounting Resolution : 800 x 480 Effective Distance : 200 meter Talk Time Delay : 120S ( -) 10 percent Monitor Time Delay : 40S