The Makita HM1213C SDS Max Demolition Hammer offers high durability and excellent demolition performance. Anti-vibration technology ensures extra-low vibration performance. Suppression of motor speed during no-load reduces vibration of the tool body. The bit can be set at 12 positions for convenience. The one-touch sliding chuck makes it easy to install and remove bits. The LED lamp indicates when to replace the carbon brush. Other features include variable speed, constant speed under load and soft start. Specification: Input Power: 1,500W Impact Rate: 950-1,900/bpm Impact Energy: 18.6 joules Weight: 10.8kg Vibration Chiselling: 7 m/sec² Vibration K Factor: 1.5 m/sec² Noise Sound Power: 95 dBA Noise Sound Pressure: 75 dBA Noise K factor: 2.53 dBA