Main unit , needs accessories. CMOS 2MP HD Colorful Camera, 180°Fish eye, 1 Call Button, 1-ch Indoor station access, 2 relays for door lock control IR Supplement , 10M/100M Self-adaptive Ethernet, module connection with RS-485 , 4-ch alarm input IP65, 12 VDC or standard POE 98 mm × 99.8 mm × 43.9 mm (3.86" × 3.93" × 1.73") if you lose the master card ,place ZTA order with this sap code 305700345 DS-KD3/8/9???? and mark the SN code of the door station
