Rest easy with the Angelcare AC401 Movement Sound baby monitor. The 2 in 1 monitor detects both sound and movement, with an under the mattress sensor pad to detect even the lightest of breaths, you'll be alerted if your baby is still for 20 seconds. The sound quality from the AC401 monitor is crystal clear with the security of a unique combination of 8 channels and 2 frequencies, and also features a full colour LCD digital display Comes complete with a rechargeable mobile parent unit, which you can clip to your belt and monitor your baby while doing chores or socialising, and 4 programmable alarm functions. The monitor has an extended range of 100m indoors and 250m outdoors.