Frequency of Voltage: 220/230/240-50/60 Hz Power rating: 1200W, 120V, 60Hz, 11A Total negative beat times: 3100 minutes to 3100 beats per minute Total length: 5.55 kg (19 lbs) or 489 mm (19-1/4"). 14J 10 ft. lbs. impact joules The SDS Max System The 12-step lock allows you to adjust the chiseling angle. 360-degree auxiliary handle anti-vibration system Low noise and vibration