The main difference of the HR2630 over its predecessor is a much improved mode switch which lets you go from rotation to hammer mode and vice versa without the need to rotate the chuck. Impact energy: 2.4 J Max in concrete (TCT bit): 26 mm Max in concrete (TCT core): 68 mm Max in concrete (Diamond core): 80 mm Max in wood: 32 mm Max in steel: 13 mm Impacts per minute: 0 - 4,600 ipm Input Wattage: 800 w Net weight: 2.8 kg No Load Speed: 0 - 1200 rpm Vibration: Chiseling: 9.5 m/sec² Vibration: Hammer Drilling: 15.5 m/sec² Noise sound pressure: 91 dB(A) Total Shipping Weight: 5kg Complete with carry case Machines come with a one year warranty as standard. Register your purchase through the Makita UK website within 30 days and get three years warranty in total for free.