720P resolution,clear and fine images;PIR infrared sensor about the human body,Passive induction; 24V alternating current charging module and pressure induction module Advanced 264 video compression,Super low rate,high definition quality of image; Professional anti-,conform to GB/T17626.5 and IEC61000-4-5. Support mobile monitoring(,Android);Support cloud technology,easy to achieve network penetration,fro in-line and alarm information pus Specification 2MP 720P Full HD Wireless Video Doorbell Video Quality: 2 Megapixel (1280 x 720P) Lens: 1.7mm Viewing Angle: 166degree Night Vision: Day and night surveillance, 6pcs infrared light,Max distinguish distance 5M Frame Rate: 25fps Alarm:Motion Detection alarm Network: 802.11a/b/g, support 2.4GHz WIFI Storage: Built-in and Fixed 8GB Mirco SD card Network Connectivity: p2p and QR Code Computer : 7/8/10, OS 10.9 and higher version Handheld Device Supported: IOS, Android, 3G/4G Smart phones Colour:Silver Material:plastic Size:12*6*3cm Package Contents: 1 * Wireless Doorbell 1 * USB Cable 1 * Screws Accessories 1 * User Manual Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.