With easy installation and hassle-free operation, our wireless smart video doorbell provides monitoring and alerts, allowing you to enjoy the ultimate security and peace of mind.Features: Achieve real-time video and two-way voice communication. Built-in high-definition speaker and honeycomb-designed microphone for clear voice communication. App control enables you to capture pictures and control through the app and save short videos and images to the cloud server. With infrared night vision that automatically switches between day and night modes, allowing clear visibility of nighttime visitors. Equipped with a 90-degree wide-angle lens for a clearer field of view. Provides high-definition video functionality, ensuring clear images for better observation of the area outside the door. Requires no complex wiring, making installation quick and hassle-free. Specifications: Material: ABS Color: White Voltage: 3.7V Battery Type: 1 x 800mAh Lithium Battery (included) Product Size(LxWxH): Doorbell: 8.8 x 5 x 2.6 cm Receiver: 5 x 4.6 x 1.5 cm 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. Package Contents: 1 x Doorbell 1 x Ding Dong Machine 1 x USB Cable 1 x Manual