Sell Ring Video Doorbell 720p HD Video Improved Motion Detection 4-second Previews Easy Installation best price

Decription: Features: 1. 720p HD video doorbell with enhanced features that let you see, hear, and speak to anyone from your phone, tablet, or PC. 2. An upgrade from the original ring video doorbell, enjoy improved motion detection, privacy zones and audio privacy, and dual-band (2.4GHz) wifi connectivity. 3. Exclusive to ring video doorbell, get 4 extra seconds of black and white video to show you what happened before motion was triggered with Pre-roll. 4. Receive mobile notifications when anyone presses your doorbell or triggers your built-in motion sensors. Easily setup by connecting your ring video doorbell to wifi through the ring app and mounting with the included tools. 5. Video doorbell + tinkle machine: Video doorbell, only the mobile phone rings when you press the doorbell, and the tinkle machine rings indoors. Specifications: Main control chip: HI Image sensor: 1 / 4CMOS Video resolution: 1280 * 720 Viewing angle: 110 degrees Day and night function: IR-CUT dual filter automatic switching, infrared light 6 * LED Connection: WIFI 2.4GHz, IEEE 802.11b / g / n Storage: Support device SD card 8/16 / 32G Battery: 2 X battery (not included) Included: 1 x Doorbell