The motorola mbp161 timer digital audio monitor uses dect interference free technology that offers a strong wireless connection this means better range and less chance of you missing something important two way communication allows you to speak to your little one and with the high sensitivity microphone you will hear every sound coming from your babys room the mbp161 timer has 3 activity timers pre set so you can set a time when your little one needs their sleep nappy changing or milk feedi