【100% DIGITAL WIRELESS SECURED TECHNOLOGY】ensures private and secure connection between the camera and the monitor. The 2.4Ghz interference-free signal works in home between rooms and upstairs/downstairs. No WIFI/INTERNET setup required.【TWO WAY TALK BACK】With TALK BACK button, you can talk to your partner or baby when they need you.【POWER SAVING/VOX MODE】Voice activation feature allows turning off screen and keeps audio continuously on. Screen is switched on automatically when camera detects baby cry【LONG BATTERY LIFE】12 hours in Power Saving Mode, 6 hours in continues video on mode. Zoom in for closer views on screen.【RICH FEATURES】Automatic night vision, Baby room temperature monitoring, 5 built-in lullabies, Zoom in, Camera wall mount ready, Multi-Camera Expandability (up to four cameras)【100% DIGITAL WIRELESS SECURED TECHNOLOGY】ensures private and secure connection between the camera and the monitor. The 2.4Ghz interference-free signal works in home between rooms and upstairs/downstairs. No WIFI/INTERNET setup required.【TWO WAY TALK BACK】With TALK BACK button, you can talk to your partner or baby when they need you.【POWER SAVING/VOX MODE】Voice activation feature allows turning off screen and keeps audio continuously on. Screen is switched on automatically when camera detects baby cry【LONG BATTERY LIFE】12 hours in Power Saving Mode, 6 hours in continues video on mode. Zoom in for closer views on screen.【RICH FEATURES】Automatic night vision, Baby room temperature monitoring, 5 built-in lullabies, Zoom in, Camera wall mount ready, Multi-Camera Expandability (up to four cameras)