Davis Hand Bearing Compass - Illuminated MossyOak Infinity Shrinks to form a water

Shrinks to form a water tight seal and the ultimate vibration and strain relief

Four AC outlets with hardwire option

Simple installation with minimal mounting hardware

the Battery Mate's technology is electronic and includes mosfets (transistors)

Rail Mount

Davis Hand Bearing Compass - Illuminated MossyOak Infinity Shrinks to form a waterHand Bearing Compasses Using these precision marine hand bearing compasses, you can easily obtain quick magnetic bearings on shore or floating objects. Obtain a bearing simply by aligning front and rear sights on an object and reading off bearing. Uses include quick bearing or position set, determination of angular gain or loss on the competition while racing, checking distance offshore, establishing lee bow set while cruising or racing in currents,