For parents who want to soothe baby when they hear baby's call on their monitor, here's a monitor that helps you do that, too without even going into the nursery. This monitor has everything you need, including digital technology for reduced interference, and sound lights that let you see as well as hear baby's call. You can also use the receiver as a remote to activate music, sound and lights to soothe baby back to sleep. Digital. Portable parent unit. Range 800 feet (weather permitting). Out of range indicator. Volume control. Night light. Sound sensitive light display. Music. 3 lullabies and 2 soothing nature sounds. Low battery indicator. Includes 3.6 volt (3 x 1.2v) rechargeable battery pack (included). Main only operated. Mains adaptor provided for both units.