At less than 5.4 oz, the ResQLink and ResQLink+ weigh less than a couple of PowerBarsÓ. Plus, it's smaller than the cell phone in your pocket. The ResQLink and ResQLink+ are full-powered, GPS-enabled rescue beacons designed for boaters, anglers, pilots and backcountry sportsmen. With three levels of integrated signal technology--GPS positioning, a powerful 406 MHz signal, and 121.5 MHz homing capability-- the ResQLink and ResQLink+ quickly and accurately relay your position to a worldwide network of search and rescue satellites. A built-in strobe light provides visibility during night rescues. Dimensions: 1.3" x 1.9" x 3.9Ä (ResQLink), 1.6" x 1.9" x 4.5" (ResQLink+). Wt: 4.6 oz. (ResQLink), 5.4 oz. (ResQLink+).