Notice

The product only is compatible With Anjielosmart Intercom System,If you need to connect other intercom system ,please contact service before buying.

Resolution:1080P
Lens:2.8MM Lens
View Angle:130 degree angle view
Signal: 1080P 720P/CVBS signal switch
Accessory: Sun sheild 
Installation: Surface amount

The doorbell can work in extremly situation.

There are one door, two door, three door and four door version, Please contact
us if you don't confirm which you should buy. We will give you some advice 
accordingly