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Doorbell Specifications:
* Camera sensor: 1/4 CMOS,720P
* Pinhole/100°wide angle camera
* Anti-oxidation aluminium alloy panel
* Simple 4-wire connection
* IR LED illumination for better night vision
* Keypad with blue LED backlight for night operation
* Rainproof,Dustproof,and Anti-vandal
* Power Supply: Supplied from indoor monitor