Wire-Free Peephole Doorbell A useful touch screen made for everyone Greet every visitor with calm and ease   MODEL NAME CS-DP2-A0-6E2WPFBS CAMERA SPECIFICATIONS Sensor 1/2.7" Progressive Scan CMOS Lens 2.0mm @ F2.0 Viewing angle: 166° (Diagonal), 136° (Horizontal), 80° (Vertical) Max. Resolution 1080p / 2MP Day / Night