Voltage:220-240V~50/60Hz Input power:1800W No-load speed:850rpm Impact rate:4200bpm Impact energy:7.0J Max.drilling capacity: Concrete:36mm Steel:13mm Wood:42mm SDS plus chuck system Chisel-locking system Double Anti-vibration system With 3 drills and 2 chisels With 1set extra carbon brushes Packed by BMC