Thanks to the DECT technology of the two-way baby monitor V-Tech DM1212, it works with interference-free, crystal-clear sound transmission. Its range in open terrain is 450 meters. The projection function of the baby unit allows you to project stars and the moon onto the ceiling for your child. You can control the volume in 5 levels, according to your own needs. The microphone sensitivity can also be adjusted on the baby unit, that is, you decide how loud the device should be. If you set the sensitivity to high, the sound transmission is almost continuous. The parent unit can also be switched to a vibrating function. You can start various lullabies from the parent unit, which you can use to put the little one back to sleep. or can be operated from a rechargeable battery (accessory).