The Angelcare Movement and Sound Baby Monitor allows you to sleep in peace, knowing that your baby is under surveillance round the clock. The 2-in-1 baby monitor combines a quality sound and movement monitor in a single system. This nursery monitor is ideal for first time parents who can have peace of mind with an assurance that their baby is safely being monitored always. The monitor automatically goes in to battery power in case of power failure. It comes with low battery indicator and out of range indicator.This rechargeable baby monitor is provided with under the mattress sensor pads, which detect every movement of your baby. The Angelcare baby monitor gives an optical "tic" sound corresponding to your baby"s movements. It produces an alarm sound after 20 seconds if absolutely no movement is detected. You can choose from three channels to minimize the interference and the monitor covers a range up to 820 feet.