Feature: 1. Wireless Video Doorbell Camera: Doorbell camera supports 2.4G WiFi and APP connection, 480P high resolution, presents clearer images, videos, and more details. 2. 2 Way Audio: Receive push notifications to your smartphone instantly when someone rings the doorbell. With the built in microphone, you can view visitors and communicate with them anytime, anywhere. 3. Night Vision: Equipped with IR LED lights and a light sensor, providing clear images at night. It automatically switches to night mode when the ambient light drops to 2 Lx. 4. Equipped with Doorbell Ring: Strong and stable signal, easy pairing, with a transmission range of up to 50 meters. The doorbell ringtone and volume can be adjusted according to your preferences. 5. Power Supply: The doorbell has a built in 1000mAh large battery, no frequent charging required. The doorbell ring is powered by USB, making it easy and convenient to use. Specification: Item Type: Wireless Doorbell Camera Material: ABS Resolution: VGA, 640x480 Video Encoding: MJEPG Audio Encoding: G711.A Video Frame Rate: VGA at. 20fps Day Night Mode: Auto Video Preview: P2P Video Transmission Encryption: AES RF Encoding: EV1527 Infrared Light Control: Auto, adjustable sensitivity Infrared Light Wavelength: 850Nm Motion Detection: Auto, adjustable sensitivity Connection Mode: 2.4G WiFi Operating Temperature: -10-45℃ Operating Humidity: ≤95% Doorbell Battery Capacity: 1000mAh lithium battery (built in) Doorbell Charging Port: for Android port Ring Power Supply: USB . Package List: 1 x Doorbell 1 x Bell 1 x Screw Pack 1 x Charging Cable 1 x Double Sided Tape 1 x English and Chinese Instruction Manual Note: 5G networks are incompatible