Specifications: Brand: Total Model: TH117556 Type: Rotary Hammer Voltage: 220-240V~50/60Hz Input power: 1700W No-load speed: 100-220rpm Impact rate: 1750-2150bpm Impact energy: 5-19J Max.drilling capacity: Concrete:55mm Core bit:150mm Chuck system: SDS MAX Constant electronics power Variable speed control Chisel-locking system Double anti-vibration system Indicator of power supply Indicator of carbon brush maintenance With 1set extra carbon brushes Packed by carrying case Weight: 16kg