1.2 joule impact force allows for constant drilling through dense, solid materials. SDS-Plus chuck with quick, tool-free bit changes. Drill and Hammer modes to suit a variety of applications. Auxiliary handle and anti-vibration design reduce user fatigue and provide enhanced control during periods of extended use. Dust collection shroud with 22mm vacuum connection to control debris around the worksite. LED light to illuminate work areas. Voltage: 18V Motor type: Brushless Joules:1.2J No Load Speed: 0-810rpm Impact per minute: 0-4500 ipm Fastening capacities: Concrete:17mm, Steel:10mm, Wood:13mm Weight(Tool Only): 1.7kg