The Makita HM1213C SDS-MAX Demolition Hammer is highly durable and offers an excellent demolition performance. It has anti vibration technology that ensures extra-low vibration during usage. The motor speed is suppressed during no-load operation reducing vibration of the tool body and the bit can be set to 12 different positions for optimum user convenience. It has a one touch sliding chuck for easy bit removal and installation as well as an LED lamp indicator to tell the user a carbon brush needs replacing. It has double insulation and variable speed along with soft start and constant speed under load. Impact energy - 18.6 J Blows per minute - 950 - 1900 bpm Input wattage - 1500 w Speed Control Variable by Dial   Bit Angle Setting - 12 Stage Vibration: Chiselling - 7 m/sec² Vibration K factor - 1.5 m/sec² Noise sound pressure - 75 dB(A) Noise sound power - 95 dB(A) Noise K factor - 2.53 dB(A) Net weight - 9.9 kg