Vibrating sound-alert on the parent unit Backlit display on the parent unit Belt clip Two-way, talk-back intercom Night light on baby unit Stay connected to your baby from another room or even from the yard. Up to 50% more range over the current line. A soothing light on the baby unit gently illuminates a dark nursery. Sometimes all your baby needs is to hear the sound of your voice. Comfort your infant from any room with the built-in intercom on the portable parent unit. LEDs 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.