Color Video Door Phone

1)Screen size: 4-inch color TFT LCD screen
2)lumination source for night vision: infrared
3)Connecting system: one camera to one monitor
4)Voice transmission: two-way communication
5)Resolutions: >=380TVL
6)Power source: 18V DC
7)Power consumption: standby: 2.5W working:13W
8)Working temperature: -20 to 50 degrees Celsius
9)Dimensions (W x H x D): 265 x 225 x 45mm
10) Available camera: TK-808C,TK-819C