1、Two Way Talk: Two way voice design, with high powered speakers and high sensitivity microphone, door visual call clear and fluent. 2、WIFI Remote Video Call: After the visitor presses the electronic doorbell, the doorbell will push the notification to the cell phone, the owner can enter the cell phone video call interface, remote video, real time view of the door situation. 3、Real Time Notification: You can be notified when someone presses the doorbell. Video doorbell will also provide you with real time video, or take photos or videos. 4、Infrared Night Vision: The video doorbell supports night vision, with excellent image quality even in the dark. 5、Super Long Standby Time: Equipped with rechargeable battery, no need to remove and replace, say goodbye to power anxiety, more convenient and safer. 1 x Doorbell Camera1 x Indoor Unit1 x Double Sided Adhesive1 x Base1 x User Manual 1 x Usb Cable Item Type: Wireless Video Doorbell CameraMaterial: ABSConnectivity: Bluetooth WiFiViewing Angle: 60°Pick Up Distance: Approx.3 m / 9.8ftDoorbell Camera Battery: Built In Lithium BatteryBattery Capacity: 800mAh (Shipped With Built In Battery)Product Size: Approx. Doorbell Camera: 88 x 50 x 26mm / 3.5 x 2 x 1inIndoor Unit: 50 x 46 x 14.5mm / 2 x 1.8 x 0.6in