Chuck type: SDS Plus Drilling Hammer drilling Reverse Rated speed (max): 1100 RPM Impact energy (max): 2 J Power source: Battery Lithium-Ion (Li-Ion) 5 Ah 18V ROTARY HAMMER SDS+ 20MMThis 18v LXT SDS-PLUS Rotary Hammer is capable of drilling through steel, wood and masonry with ease. With the power of Lithium-Ion you can be sure to get the job done, wherever you are! Features Built-in light Yes Reverse Yes Chuck type SDS Plus Hammer drilling Yes Drilling Yes Performance Sound level uncertainty 3 dB Sound pressure level 87 dB Sound power level 98 dB Vibration level uncertainty (chiselling) 1.5 m/s² Vibration level (chiselling) 11 m/s² Vibration level uncertainty (hammer drilling) 1.5 m/s² Vibration level (hammer drilling) 14.5 m/s² Drilling diameter in steel (max) 1.3 cm Drilling diameter in wood (max) 2.6 cm Drilling diameter in concrete (max) 2 cm Impact rate 4000 bpm Impact energy (max) 2 J Rated speed (max) 1100 RPM Power Battery voltage 18 V Battery technology Lithium-Ion (Li-Ion) B