Sumpple Wireless WiFi 720P Network Surveillance IP Camera Doorbell, Two-Way Audio, Support Dual Power, Night Vision, Email Alarm, Motion Detection, Video Record, for iPhone, Android or PC Silver Color 1. Two-Way Audio: see and speak with your visitors on smart phone or tablet PC, whether you're upstairs or across town or city. The camera doorbell supports IOS, Android or PC White, so you can remote control the device on your iPhone, iPad, Android smart phones, tablet PCs or laptop PC easily. Also, you can hear the ring sound notice on your Cell Phone when visitors press the ring button on the Doorbell. 2. Support Dual Power Function: Power the video camera doorbell using the existing wire and power adapter (main power and recommended) or power the video camera doorbell using a 16650 3.7V and equal or above 2200mAh lithium ion battery (not included in the doorbell at present). The battery is an alternate backup power source in case of power outage. 3. Night Vision, Video recording and image Snapshot function on the camera doorbell. 4. Motion Detection and Email alarm: the camera doorbell supports motion detection, can record and take snapshots, FTP when motion detected; what's more, the camera doorbell can send you email when alarm triggered, informs you what is happening 5. Quickly and easily setup: get your Video Camera Doorbell mounted and synced to your personal wireless WiFi network in some minutes. It supports wireless wifi or wired network cable connection with Internet. "Plug & Play" function features the ability to connect via smart phone by simply scanning the QR code on the device.