The Tomy walkabout premier advance monitor monitor features 4 channels and 2 way communication with remote controlled night light. This monitor has a range of up to 300m in an open area, and can be either mains or battery operated. Winner of the Mother and Baby Silver award, this baby monitor also features a sound-sensitive light display so that you can stay alert to your baby's needs even with the sound turned down. The Tomy walkabout premier advance monitor is suitable for use from birth+, and requires 4 x AA batteries (order 1x 203-6267).