Type: Wireless smart video doorbell, Wireless smart Wi-Fi video doorbell, Wireless video doorbell, Doorbell, Infrared doorbell Note: Power adapter not included! Description: With easy installation and hassle-free operation, our wireless smart video doorbell provides monitoring and alerts, allowing you to enjoy the ultimate in security and peace of mind. Features: Achieve real-time video and two-way voice communication. Supports remote preview via a mobile app, keeping you informed of front door activity. Equipped with a 75 degree wide-angle lens for a clearer field of view. Can quickly capture visitor images and save records to the cloud. Has infrared night vision that automatically switches between day and night modes, allowing clear visibility of nighttime visitors. Built-in high-definition speaker and honeycomb-designed microphone for clear voice communication. Includes 20 selectable melodies, with freely adjustable volume. Specifications: Material: Plastic Color: White Product Size(LxWxH): Doorbell: 9.1 x 5.25 x 2.6 cm Ding Dong Machine: 5.5 x 4.3 x 2.5 cm Doorbell Battery Capacity: 800mAh Polymer Battery Voltage: 5V Package Contents: 1 x Doorbell 1 x Ding Dong Machine 1 x USB Cable 1 x Manual Please note: Due to manual measurement, there might be a tolerance in the product size. Due to the lighting effects and shooting angles, the color of the item and that shown in the picture might have a nuance.