Package Inlcludes : 1 x Digoo SB-XYZ Wireless WIFI Smart Home Video Doorbell 1 x Digoo SB-XYZ English User Manual 1 x Digoo Fixing Rack Back Support 1 x Digoo Safe Lock Hexagon Screw Driver 3 x Screws for installation All Comes in Digoo Original Gift Color Packaging Description Brand: Digoo Model: SB-XYZ Type : Smart Home Wireless WIFI Video Doorbell (100% true wireless video doorbell, free of any wire installation.) Size : 69mm x 28mm x 132mm / 5.2 x 2.8 x 1.2 Inch Resolution: HD 1280 x 720p Video Enhanced: Digoo Speical Customized Video Quality Sensor: 1MP (1280*720), 1/4 inch CMOS sensor, JXH42 Sensor Area: 1/4 inch Focus Length: 2.8 mm with a Wide viewing Angle Opreation System: Embeded Linux Viewing Angle: Diagonal 103 , horizontal87.3 , vertical 54.6 F/No(INFINITE): 2.5 Network Feature Network: WIFI 802.11b/g/n Storage Extension: Support Micro Store (Max to 16GB) Battery: 4 x AA Batteries IR LED: 5pcs IR LED Wavelength: 850nm Antenna gain: 2.76dBi Video Compression: H.264 Resolution: 720p@30fps (1280*720) Speaker: 28mm, 8? 0.5W MIC: Sims MIC IP Rate: IP65 Main Feature WIFI Connection: Support One-Button Call: Support Two-way Talk: Support APP View: Support ( When the Doorbell is in standby mode, it maintain a low power consumption state, you can check it in the app whereever you are, as long as the doorbell connect to internet) Video Playback : Support (Every time the visitor presses the doorbell, it will auto records a 10-second video, You can view all the history records of the device at play back function.) P2P Store: Support ( it use the P2P transmission technology, Through the P2P penetration technology, To avoid the sensitive privacy of data leakage) Night Vision: Support (Also APP allows you ON/OFF the IR manually.) Long Standby: Support ( 4 x AA battery assure the doorbell a long life service, usually a set of batteries can work last few months. ) ( APP support view the battery power real time too. ) Easy Install: Support ( No need any complex installation process or cut the circuit system, very easy to install:) Family Mannage: Support ( The first user connect the doorbell is the manager, you can share the doorbell to all your family, if the manager didn't answer the video call in time, it will auto push the message to your families, and won't miss any call :)