Welcome to our store! 720P HD video and 2-way audio: When the smart doorbell is pressed or detects motion, it sends a real-time notification to your phone. You can see, hear the doorbell and talk to visitors directly from your smartphone. The doorbell has a 166° wide-angle lens and provides 720P HD video for clear images. 2.4 GHz WiFi connection: This wireless doorbell only supports 2.4 GHz WiFi connection, not 5G. It includes a battery-powered doorbell and unit, so there is no need to buy additional batteries. In addition, there is a reminder chime in the room that can be used as a dog door. Passive motion detection: The doorbell has a built-in PIR motion detection function. The sensitivity of motion detection can be set as needed. In crowded environments, it is recommended to adjust the \"Motion Detection Sensitivity\" to reduce unnecessary notifications and extend battery life. Day and night mode: The wireless doorbell for home can automatically switch between day and night mode. It also has IR LED operation, which allows clear vision even in dark environments. You can customize additional settings in the app to make your life easier and smarter. Wireless connection and 2-way voice: The doorbell has long-distance WiFi connection and supports two-way audio with noise-canceling microphones. This allows you to see and talk to people at your door. The app also supports multiple family members monitoring the front door at the same time. Specifications: - Item type: Smart WIFI Video Doorbell - Model: V5 - Material: ABS - Color: Black - Battery type: 3 x 18650 dry cells (not included) - Features: Wireless connection, ultra-low power consumption, remote activation, quick start - Uses: Guests can make video and voice calls, make short-term video recordings and the host can know the information without opening the door - Wake-up mode: Doorbell button wake-up, PIR Human body detection wake-up, Mobile phone active wake-up - Resolution: 720P - Installation method: Door wall hanging installation package includes: - 1 x smart doorbell - 1 x double-sided viscose - 8 x screw - 5 x screw sleeve - 1 x manual 100% satisfaction: Our customers are our top priority. If you find any product problems after receiving the item, such as damage and incorrect quantity of goods, please contact the seller immediately. We will do our best to provide you with satisfactory customer service.