See and speak with visitors from anywhere using the free Ring App, receive motion alerts, and review recorded footage. Two way talk with built-in speakers and microphone. HD Camera with wide angle video, connects to existing doorbell wiring or runs off the built-in battery. Certified for outdoor usage, night vision with infrared LEDs. Wi-Fi connected and cloud recording and comes with lifetime purchase protection if stolen will replace for free. Learn more at www.ring.com