The Motorola MBP8 digital audio baby monitor features crystal clear sound with a sound level indicator and a high sensitivity microphone with plug in the wall Baby and Parent Units. Motorola's MBP8 Digital Audio Baby Travel Monitor will give you the reassurance that your child is resting peacefully. Its DECT technology gives you peace of mind in knowing that its digital signal communication is secure so others cannot eavesdrop. It also ensures that it will remain free of interference from other wireless electronic devices commonly used around the home. The Parent Unit and Baby Unit plug directly into the outlets. With Motorola’s MBP8 you're sure to hear every peep.