building intercom system phone kit, video door video door phone, intercom video doorbell system video door phone system building intercom system, phone kit, video door, video door phone, intercom video doorbell system, video door phone system, x videos, wireless rear view, wireless video door phone 1. InformationDISPLAY(inch) 7"SYSTEMPAL or NTSCPIXELS1440(H)×234(V)VIEWING ANGLE60/60/40/ ...