9accuracy of plus/minus 500 ft from 20, 000 to 30, 000 ft, plus/minus 300 ft from 10, 000 to 20, 000 ft and plus/minus 100 ft from 1, 000 to 10, 000 ft; 17 jewel, self-contained lighting system, velcro wrist mount; white face, black numbers and colored arc
