Wifi Peephole Camera 1080P H/D Mobile Detection 170° Wide Angle Lens Door View
Lens Angle: 170°. Opening Width Required: Approx. 14 - 20mm / 0.6 - 0.8in (error not more than 2MM). Maximum Thickness of Door: Approx. 2 - 5.7cm / 0.8 - 2.2in (0.2CM error). We will be happy to serve you.