... camera! super night vision handfree,unlock, intercom , 4"vivid B/W image , monitor outside. infared night vision, Door bell music ... Feature:***Hands-free indoor monitor, classic modelling, 4 "true B/W TFT. Clear images***Interphone, monitoring, two-way conversation, unlock ... 10%*** resolution: 200000 pixels*** power: a static < 0.5 W, call state < 10 WWiring requirements:***30 m: RVV4 (4 polishing ...