Can ONLY be used with Alarm.com app (subscription required) Full color 180 degree video, night vision IR up to 8 feet, option to silence chime, on-demand video and recorded clips, two-way audio through built in speaker and microphone, motion sensor detects motion up to 8 feet, multiple user capability SkyBell Slim Line is only 1.4 inches wide -- allowing it to fit perfectly on even the slimmest of door trims and door frames Cloud recording included so you can download or watch video clips at any time. Also, monitor your front door remotely by starting the video from the app Requirements: Power: 8-30VAC, 10VA or 12VDC, 0.5 to 1.0A wired to in-home mechanical chime. Digital doorbell chime compatibility requires SkyBell Digital Doorbell Adapter - not included. Wi-Fi: Compatible with Wi-Fi 802.11 b/g/n, 2.4 GHz up to 150 Mbps. Upload Bandwidth: 2Mbps required Mounting: Mounting plate affixes to flat surface, and utilizes existing doorbell wiring.