Versatile smartphone compatibility Supports Apple iOS 7 or newer or Android 4.0 or newer. Wi-Fi connectivity Doorbell connects automatically when you enter your Wi-Fi password. Monitor your doorbell with the free mobile app Receive motion-detection alerts, view the live video feed and talk with the visitor from your smartphone. 1-way video camera See who is at your door without letting them see you. The built-in speaker and microphone let you hear and talk to your visitor. Set quiet hours Turn off the chime when people are sleeping. Apple, the Apple logo and iTunes are trademarks of Apple Computer, Inc., registered in the U.S. and other countries. iPod is a trademark of Apple Computer, Inc.