Compatible with batteries with protection circuit. ·Mechanical 2-speed gearing ·Protects battery from over discharge, high temperature and overload current ·Best possible shape of grip for driver-drill applications ·All metal gear construction ensures high transmission durability ·LED Job Light with after glow function Note: Battery and Charger sold separately Specifications: 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 / 36Nm Dimensions (L x W x H): 206x79x251mm (8-1/8"x3-1/8"x9-7/8") Net Weight: 1.6kg (3.4lbs) Bare Tool - Battery and Charger not included