The HR004GZ02 is a cordless SDS-Plus Rotary Hammer, powered by 40V Li-ion XGT battery (not included), to supply energy to the powerful 40V brushless motor, with variable speed controlled by trigger & constant speed control to automatically apply additional power to the brushless motor to maintain constant speed under load, to deliver up to 980 rpm, 5, 000 bpm & 2.9 J impact energy. The HR004GZ02 is equipped with one touch sliding chuck for quick & easy bit installations & removals, reverse rotation, depth gauge for increased drilling consistency & 3 operating modes for rotary only, rotary with hammer & hammer only. The HR004GZ02 features a torque limiter to stop the drill rotation if the bit hits against reinforcements, anti-vibration technology (AVT) to lower vibration & soft no load function to automatically reduce the motor speed during idling to suppress the vibration of the machine body. The HR004GZ02 is supplied with an SDS-Plus quick change chuck. The DX14 Dust Collection System included is equipped with one touch easy attachment & removal, HEPA filtration system; the HEPA filter captures 99.97 per cent of particulates. 3 microns & larger, a twin LED job light to illuminate the work area, filtration cleaning mechanism & adjustable depth stop. The large dust box cover can be opened simply by pushing the single push button for easy dust cleaning. Maximum capacity in steel 13mm, wood 32mm, concrete 28mm, TCT core 54mm & diamond core 65mm.