... 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: ... Temperature: -20°C~+60°C Dimension: 235.5(L)*165.5(W)*32(D)mm Weight: 500g Weight of ... Temperature: -20°C~+60°C Dimension: See page 5 Weight:170g Audio Video doorphone