DP2 Wire-Free Peephole Doorbell

Dimension :Screen and Base: 115.5 x 85.5 x 24.5 mm (4.55 x 3.37 x 0.96 inch)
Camera: 71 x 71 x 48.3 mm (2.80 x 2.80 x 1.90 inch)
Weight Product: 320 g (11.28 oz) With package: 603 g (21.27 oz)
Screen :4.3 inch Color Touch Screen
Color :Silver
Button Doorbell button, power button, screen wake-up button
Supported Peephole Diameter: 16.5 mm to 50 mm (0.65 inch to 1.97 inch)
Supported Door Thickness :35 mm to 105 mm (1.38 inch to 4.13 inch)
Ingress Protection Grade: IP54 for the outdoor camera part (needs to be installed correctly and tightly onto the door)
Operating Conditions :-10°C to 45°C (14°F to 113 °F ), Humidity 95% or less (non-condensing)