... monitor IR led light for clear night vision 7" Wired Video doorphone DH-2801MA11Simply 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 ... °C~+60°C Dimension: See page 5 Weight:170g Audio Video doorphone