The Door Viewer Specification:
Screen:3.5 inch HD LCD
Camera:HD infrared night vision camera
Camera Pixels:2.0 Mega pixel
Expansion memory Support TF card Max 32G
Door Thickness:40-100mm width
Battery:1500MAH rechargeable battery
Indoor Part Dimension (WxHxD):150×85× 20 mm
Outdoor Part Dimension (WxHxD):44× 38× 13.4mm