EZVIZ DP2C Wi-Fi Door Peephole: 1/2.7"" progressive scan CMOS, 2.0mm @ F2.0, viewing angle: 166° (diagonal), 136° (horizontal), 80° (vertical), 3MP/2K, 4.3" color touch screen, night vision up to 5m, IP54 for outdoor camera part (must be installed correctly and close to the door), PIR motion detection (angle 110°) 6m, microSD card (up to 512GB) ),DWDR, human shape detection, two-way audio, 4600mAh rechargeable lithium battery, -10°C to 45°C humidity 95% or less (non-condensing).