Features:LCD Screen Display:The 2.4 inch LCD screen display allows you to easily see the faces of visitors. It is safer and more practical.Photo Shooting:When the visitor prees the doorbell, the indoor host rings and the LCD screen turns on to take a photo.Power Supply Mode:Powered by AAA batteries (not included), just open the battery cover on the side of the indoor host, no need to remove the doorbell.Wide Viewing Angle:120-degree wide-angle lens allows you to see a larger picture without miing any visiting friends.Night Vision Function:With night vision function, you can see clearly at night.Specifications:Model:R11Display:2.4 inch TFT LCD screenViewing angle: 120 degreesPower supply mode: AAA dry batteries(Not include)TF card: maximum support 32G(Not include)Night vision:supportPackage List:Indoor host *1Outdoor handset*1Metal hanging board*1Screw bag*1English operation guide *1