Features 4.5 Inch HD LCD Display: This smart peephole camera features a 4.5 inch HD LCD display that clearly shows what's going on outside the door. Infrared Night Vision: This smart peephole camera uses infrared night vision with a high power infrared fill light, even if you can't see your fingers in the dark, the visitor's features are still clearly visible! 135 Degree HD Wide Angle: this intelligent peephole camera features a 135 degree HD wide angle, which allows it to catch a wider range. Multiple Functions: This smart cat eye has multiple functions, such as intelligent motion detection and recognition, automatic video recording, video playback, adjustable focus. Audible Video: This smart peephole camera supports visitor audible video automatic photo, when the peephole camera records the visitor portrait, it automatically stores it, and the peephole camera supports visitor video message, so you can watch it anyti Specification: Item Type: Smart Peephole Camera Power Supply: 3.7V Lithium Battery x 1 Capacity 2500MAH ( Shipped With Matching Battery ) Door Peephole Range: Approx. 15-40mm/0.59-1.57in Door Thickness Range: Approx. 35-105mm/1.38-4.13in Language: 11 Languages Functions: Motion Detection and Recognition, Photo Taking, Video Recording, Night Vision Function Camera Pixel: 2MP Picture And Video Specifications: 720P Screen Size: 4.5 Inch Storage: Storage Card ( Shipped Without Storage Card ) Package List:1 x Doorbell1 x Peephole Camera1 x USB Cable1 x Accessory1 x Lithium Battery1 Pack x Screw (6PCS)1 x English Manual  Package List 1 x Doorbell 1 x Peephole Camera 1 x USB Cable 1 x Accessory 1 x Lithium Battery 1 Pack x Screw (6PCS) 1 x English Manual