Feature: 1. Day and Night Dual Purpose Camera: The wireless doorbell is equipped with a high power infrared night vision light, combined with an ICR infrared filter, which can automatically switch between day and night modes. Even in a pitch black environment where you can't see your fingers, you can still see and shoot clearly. 2. High Fidelity Microphone: Wireless doorbell with bidirectional voice design, paired with high power speakers and high sensitivity microphone, ensures clear and smooth visual calls in front of the door, supports changing sound, and provides more peace of mind when staying at home alone. 3. Remote Video Call: Through the APP and mobile network, visitors can press the electronic doorbell, and the doorbell will push notifications to their phones. The owner can enter the mobile video call interface, remotely video, and view the situation at the entrance in real time. 4. Wide Angle Lens: The wireless doorbell adopts a new generation of large wide angle lens, providing a panoramic view of the situation in front of the door, allowing multiple visitors to see it clearly without leaving a "safety blind spot" at the door. 5. WiFi Connection: By connecting the doorbell to the network through WiFi, the mobile app can achieve remote viewing, and even when someone is not at home, it will remind you. Cloud space storage can avoid data loss and save more videos. 6. High Definition Camera: The high definition lens can capture 1080P level high definition videos, clearly recording every scene, with rich image details, allowing you to fully see the facial details of visitors. Specification: Item Type: Wireless Doorbell Product Material: ABS, Metal Lens Angle: 80 Degree Night Vision Mode: Support Connection Method: Phone APP Pickup Distance: Approx. 3m / 9.8ft Storage Method: Cloud Storage Doorbell Camera Battery Type: Lithium ion Battery Doorbell Camera Battery Capacity: 800mAh (Shipped with Built in Battery) Charging Interface Type: Type C APP Name: Kement WiFi Version: 2.4GHz Supported Phone Systems: for Android 4.3 or for iOS 9.0 and above Package List: 1 x Wireless Doorbell 1 x Back Sticker 1 x User Manual 1 x Charging Cable 2 x Screws 2 x Expansion Tubes 1 x Ding Dong Machine 1 x Small Screw