Feature 1Clear Picture Quality: The smart doorbell has a built in HD camera, which brings you clear and crisp picture quality and lets you know what's going on near the door at all times. 2Wireless Connectivity: Smart Doorbell uses wireless connectivity so you don't have to worry about power and wiring to be connected at any time. 34.3in Screen: The smart doorbell is also equipped with a 4.3in high definition LCD screen, giving you a clearer view of your visitors. 4Visual Intercom: The intelligent doorbell supports visual intercom function, allowing you to communicate with visitors through voice, avoiding the risk of opening the door directly to strangers. 5Multi Level Security: Smart doorbell has multi level security, including remote notification, multiple simultaneous viewing, intelligent detection and other features to make your home more secure and reliable.Item Type: Intelligent DoorbellWeight: 579g / 20.42ozProduct Material: ABSBattery Type: Built in lithium battery (shipped with built in lithium battery)Battery Model: 105568Battery Capacity: 5000 mAhSmart Doorbell Size: Approx. 14x9.3x2cm / 5.5x3.7x0.8inCamera Diameter: Approx. 7cm / 2.76inCamera Thickness: Approx. 6cm / 2.36in .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Smart Doorbell1 x Camera1 x Mounting Plate6 x Screws1 x USB Cable1 x English Manual1 x Card Picker