Compatible with batteries with protection circuit Mechanical 2-speed gearing Best possible shape of grip for driver-drill applications. Protect Battery from overdischarge, high temperature and overload current. LED job light with afterglow function. All metal gear construction ensures high transmission durability. Capacity Steel : 13mm (1/2") Wood : 38mm (1-1/2") Masonry : 13mm (1/2") Impacts per minute (ipm) Hi : 0-22,500 Lo : 0-6,000 No load speed (rpm) Hi : 0-1,500 Lo : 0-400 Max. fastening torque Hard / Soft : 50 / 36N.m Dimensions (L x W x H) 206 x 79 x 251mm (8-1/8" x 3-1/8" x 9-7/8") Net Weight 1.8kg (4.0lbs) Standard Equipment: 2 Batteries, Charger, (+)(-) bit, Side grip