The baby unit includes a night light that projects stars and moons onto the ceiling and plays a lullaby; the projection angle can be easily adjusted, allowing the best view of the patterns wherever the crib is placed in the room;Dect 6.0 provides crystal clear transmission, eliminating the annoying white noise you hear from analog monitors;5-level sound indicator-graphic bars on the parent unit indicate the level of sound in your baby's room so you can visually monitor the noise level with the unit muted;Sometimes all your baby needs is to hear the sound of your voice-comfort your infant with the 2-way talk-back intercom;Go hands free with the belt clip on the parent unit-carry the parent unit everywhere you go without the hassle of holding it, the operating range of the parent unit is up to 1,000 feet outdoors or 150 feet indoors