Feature:1. Motion Detection: Smart video doorbell is equipped with a thermoelectric infrared sensor that immediately sends you an alert message through the app when it detects any movement near your door. Stay informed and keep your home safe.2. Night Vision: The doorbell features an infrared filter and powerful night vision to ensure clear visibility even in dark lighting conditions.3. Multiple Sharing: The app supports multi user group sharing, allowing all family members to view surveillance videos. Administrators can set permissions and access levels, while other members can view and play recorded videos.4. Voice Intercom: Whether you're at home or away, you can view live video through the app when guests visit. Enjoy two way voice talk to greet your visitors and ensure easy and secure interactions.5. Easy to Install: Following the user guide, you can quickly install the video doorbell camera in 5 minutes without using any complicated tools.Specification:Item Type: Video DoorbellMaterial: ABSMain Control: WiFi + BLE SOC single chipNumber of Online Users: Maximum support for sharing 9 people to use, while online viewing 1 userSensor: 1/6 VGA CMOS Image Sensor GC0328Viewing Angle: 76 degreesNight Vision: 850nm infrared fill light, effective distance Approx. 1m/3.3ftVideo Format: MJEPGResolution: VGA, 640x480Video Frame Rate: VGA at 20fpsVideo Transmission: AES encryptionAudio: Input high sensitivity microphoneOutput: Built in speakerIntercom: Two way voice intercom, with echoes cancellationSound Coding Standard/Bit Rate: G711.A/64KbpsInternet Protocol: TCP/IP, HTTP, TCP, UDP, DHCP, DNS, P2P, etc.Wireless Internet: WiFi802.11b/g/n wireless internetWiFi: 2.4GRecording Method: Picture, bell triggerStorage: Cloud storageAPP: For X SmartHomeNetworking: Bluetooth networkingMicro Storage Card Holder: Not supported2 Buttons: Doorbell button, reset buttonIndicator Light 1: Charging indicator lightDingtone Coding: Private codingPower Supply: Lithium battery 800mAh (built in)Charging Power Supply: DC 5V1ASleep Time: 30SFirmware Upgrade Remote: OTAInfrared Light Control: Automatic, sensitivity grade adjustableOperating Temperature: -10 to 45 Working Humidity95%.Package List:1 x Doorbell1 x Receiver2 x Screws2 x Expansion Plugs1 x Card Pin1 x Double Sided Tape1 x USB Charging Cable1 x Instruction Manual