At 4.6 oz, the ResQLink weighs less than a couple of energy bars. And topping just 3.9 inches, it's smaller than the cell phone in your pocket. Small and mighty, the ResQLink is a full-powered, GPS-enabled rescue beacon designed for anglers, pilots and back country sportsmen. With three levels of integrated signal technology - GPS positioning, a powerful 406 MHz signal, and 121.5 MHz homing capability - the ResQLink quickly and accurately relays your position to a worldwide network of search and rescue satellites. A built-in strobe light provides visibility during night rescues.