Q-see QSWSSB 2.4 GHz Wireless Video Intercom Doorbell & Monitor with InfraRed

See and Talk to Visitors Outside Your Door Without Opening It. Wireless. Answer the door from anywhere in your home - without having to actually open the door! The QSDSSB Video Door Phone lets you see who's ringing your doorbell, without you ever being seen. It's the perfect way to distinguish expected visitors from pesky door-to-door solicitors. See Who's There Before You Answer. When your visitor presses the call button on the outdoor camera, a chime will ring and a black & white video image of the visitor will be displayed on the 5" monitor screen. If you want to talk to your visitor, simply push the talk button begin speaking. The camera's built-in microphone will pick up your visitor's voice automatically. The Camera has InfraRed LED'S for night vision.