Motorola Pet Scout500-2 Remote Wireless Pet Monitor Features 2.4 GHz FHSS Wireless Technology with up to a 520 foot range 2.4-Inch Color LCD Monitor with infrared night vision System features a high sensitivity microphone and ability to communicate with your pet via the monitor Monitor unit features rechargeable battery with low battery alert Package includes two remote indoor cameras, one monitoring unit and power adapters for each camera and monitor