Featuring an integrated camera, PIR motion sensor, digital microphone and speaker, you can use the Wi-Fi Doorbell Camera to answer the door, speak to visitors via two-way audio, record doorbell triggered clips, and set motion triggered automation rules. Because the Wi-Fi Doorbell Camera is fully integrated with Alarm.com, you can do all of this right from your Alarm.com app. Requirements: Power: Power: 8-36VAC, 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. Mounting: Mounting plate affixes to flat surface, and utilizes existing doorbell wiring. Mobile Device: Alarm.com App compatible with Apple iOS, Android. Mobile device not included. Specifications: Video Camera: 1080p/720p resolution, 180 degree view, auto-scaling, full-color. Night Vision: Full-color night vision. Audio: Omni-directional microphone. Motion Sensor: Detects motion up to 8 feet of range Battery Life: 3 to 5 years Dimensions: 2.8 inches/7.1 centimeter wide, 0.9 inches/2.2 centimeter deep, 1.9 ounces/53.8 gram weight. Environment: Outdoor use, operating temp -40 degrees F/-40 degrees C to 140 degrees F/60 degrees C, 0-100 percent condensing, water resistant.