The pair of pink MG167A Talkabout Two-Way Radios from Motorola have up to a 16 mile radius and can be used for indoor or outdoor communication. The radios feature a selectable call tone and keypad lock to prevent accidental setting changes. The MG167A Talkabout's scan feature allows you to see which channels are in use. Each radio is powered by 3 AAA batteries, which provide up to 20 hours of operation. A low battery alert tone will indicate when your batteries are running low.