Product Description Fashion and beautiful design metal video doorbell,which can be used a decoration of your house for home improvement ,and it is a 4-wire system which can receive "calls" from the outside of your house and It is with high resolution camera,which enables you to actually see who is at the outside station and intercom with them before you unlock for them.  Outdoor Camera Unit Image Sensor:  1MP CMOS Resolution:  800TVL Light Sensor:  Built-in IR Led:  4pcs, auto on/off Mini Illumination:  0 lux (IR on) Rainproof:  Support Material: Aluminum alloy & ABS I…

Home Security & Protection Audio Door Phone 4 wire Intercom System With Ring Doorbell

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