motorola digital audio baby monitor with up to 990ft of range with high sensitivity microphone and rechargeable battery(model:comfort 10) motorola motorola's comfort 10 digital audio baby monitor will give you the reassurance that your child is resting peacefully. equipped with dect technology for sound clarity, you can feel comfortable your little one will come through loud and clear when they need you. this audio monitor has an impressive range of up to 990 feet with an out of-range-alert, allowing you to move around the house comfortably knowing you will never miss a peep. the comfort 10 digital audio baby monitor is a perfect audio monitoring choice for every parent.