Power: 220-240V at 50/60Hz 1500W of input power Speed at no load: 150-305 rpm Rate of impact: 1380-2760 bpm Effect energy: 2–15 J Maximum drilling capability: Concrete: 52 mm Core diameter: 125 mm Electronic power supply constant for SDS MAX chuck system Adaptable speed management Double Anti-vibration System with Chisel Locking System Power supply indicator Maintenance indicator for carbon brushes with one additional set of carbon brushes packaged by BMC.