... monitor IR led light for clear night vision 7" Wired Video doorphone DH-2801M11Simply features:1,7"inch display screen2,CMOS ... camera3,Light Source at Night: Infrared LED 4,Video intercom,unlocking,monitor functions5,handfree monitor6,Ring Tone: 16 chord ... -meter four-core wire Effective Length of Wire: 50 meters (4*0.65MM²) Specifications (Outdoor)Camera Chip: CMOS or CCD Pixel ...