Features of 5.7" B/W CCTV Underwater Camera Monitor System: 1) Picture tube: 5.5" B/W CRT 2) Resolution: 380 TV lines 3) Camera: 1/3'' B/W CMOS sensor, 6mm Lens, 300000 Pixels, 0.5 Lux Min.Illumination 4) Camera with 21 IR LED lights, available underwater vision range: 5m-7m 5) Camera with 18m cable (the length of the cable is optional by customer) 6) Power: DC 12V (for monitor), DC 12V (for camera) 7) Support 2 channels cameras A/V input and with 1 A/V output jack. 8) The whole set packed in one fabric bag, easy for your carrying 9) Each package contains: 1 CRT monitor, 1 B/W underwater camera with 18m cable, 1 rechargeable battery, 1 battery charger, 1 car cigarette plug adaptor and 1 user manual Carton Size: 44.5x41x29.7cm / 2sets Qty/20' FCL: 996pcs Qty/40' FCL: 2102pcs Qty/40' HQ: 2472pcs