Home WiFi Smart Wireless Security Doorbell Visual Intercom Recording Video Kits Features: Chime and Batteries Included You can fully charge the batteries with the USB cable or 18650 rechargeable batteries according to your preference. Two-Way AudioOur video doorbell offers real-time video and two-way audio with noise cancellation, which allows you see, hear and talk to your visitors at your door in a wide-angle lens through the APP which is compatible with iOS and Android. (APP can set up phone call or SMS reminders) PIR Motion DetectionBuilt-in motion sensor alarm, when it is triggered, video doorbell will send instant alerts to your mobile phone and record a short video clip of the event to the. (Low, Medium and High sensitivity or you to choose. ) IR Night Vision This wireless video doorbell equipped with IR sensor and LED, the infrared light will automatically turn on at night. With 720P HD video and smart infrared night vision, you also can see clearly even in lighting. 2.4GHz Wi-Fi Connection No wires and cables are required, just download the APP, then connect it to 2.4GHz Wi-Fi with the help of your smart phone, keeping your doorbell online and the door from anywhere. Specification: Color: Material: ABS Product Size: 142x74x28mm TF Card: Max.32GB (Not included) Night vision: 6 infrared lights Stream/resolution: Double stream /720P Compression: H.265tand by Motion Detection: Stand by Mailbox alarm: Stand by Features: Built-in microphone/speaker Support platform: Android/IOS Ambient temperature: -10 55C Alarm Function: Support Use Environment: Family, shops, offices, villas, communities, apartments, suites, warehouses Pixels: 2.0 Million (dpi) Resolution: 1280*720 Viewing Angle: 166 Degrees Battery: 2 x 18650 Battery(Battery is not included) Effective Distance: 100m/328ft Working Temperature: -10~50C Style: Wall-mounted Image Sensor: CMOS LED: 6pcs 850 LED Beads Products include WIFI doorbell 1