Brunton Get-Back Mini GPS. Quickly shows the way back to your starting point by the shortest, most direct route. Can also be used as a self calibrating digital compass, with or without satellite coverage. Measures 2 3/4" x 1 1/2" x 1/2". Accuracy of 12 feet in normal GPS mode. Three waypoints to find your way back to 3 different locations. Arrival notification within 30 feet of destination. Rechargeable battery with up to 13 hours of continuous use. Signal Strength indicator. Brunton SyncTech enabled, which allows the internal battery to be recharged from Brunton power packs or solar panels. Recharges with included USB cable. Blue back light. Battery life function. Comes with wrist lanyard and instruction booklet. Lightweight, weighs only 1.3 oz.