Amcrest Add-on Camera Unit for Amcrest AC-2, Video Baby Monitor Camera Audio PTZ. AC-2 Baby monitor Required, sold separately! Amcrest Add-on camera unit is Simple, Reliable and Secure! Connecting to your baby day or night! Cover more ground with Pan, Tilt & Zoom! (Pan 300°- Tilt 110° - Zoom 2X) Technical specifications - Resolution VGA (640 X 480), Night Vision up to 15ft (8IR LEDs), Field of View - up to 50° (Horizontal), Pan, Tilt & Zoom- 300° Pan, 110° Tilt, 2x Zoom), Two-Way Audio- speaker & microphone, Power supply - 5.9V 1A, Dimensions - 3.8" x 3.5" x 4.0", Weight- 0.49lbs! Soothe your baby to sleep with 5 calming lullabies, Connect up to 4 cameras to the Amcrest Baby Monitor* Ac-2 Baby Monitor Required - Sold separately! illuminate the darkness with night vision up to 15ft, cover more ground with remote Pan, Tilt, and Zoom, Listen and talk with built-in speaker and microphone, Monitor the temperature of your baby's room at all times!