Frequency of Voltage: 220/230/240-50/60 Hz Power rating: 1500W, 120V, 60Hz, 13A Total negative beat durations: 1000–3100 minutes–10 00 minutes–3100 beats per minute Total length: 10.5 kg (23 lbs) or 590 mm (23 1/4"). impact joules: 10 ft. lbs. 4-18J The SDS Max System The 12-step lock allows you to adjust the chiseling angle. 360-degree auxiliary handle anti-vibration system