technical data:system: lxt 18vpower supply voltage: 2x 18 = 36 vbattery type: li-iontool holder: sds-plusidle speed: 0 - 980 rpmimpact rate at idle: 0 - 5000 bpmimpact energy (according to epta standard): 2.8 jmaximum drilling diameter:in steel: 13 mmin wood: 32 mmmaximum drilling diameter in concrete:solid drill bit: 28 mmcore: 54 mmdiamond core: 65 mmtotal length: 373 mmweight (epta): 3.9 - 5.1 kgnoise and vibration (concrete):sound power level error: 3 db(a)sound pressure level error: 3 db(a)vibration level error: 1.5 m/s2sound power level: 104 db(a)sound pressure level: 93 db(a)vibration level:hammer drilling in concrete (ah hd): 9.0 m/s2hammer drilling in concrete using dx03 (ah hd): 8.0 m/s2chiseling with side handle (ah cheq): 8.5 m/s2drilling in metal (ah d): 2.5 m/s23 operating modes: drilling hammer drilling and chiselingbldc - brushless dc motorxpt technology - increased resistance to dust and moistureavt anti-vibration technologysoft no load systemspeed control with the switch trigger and knobsliding handle for easy tool changingpossibility of using the dx08 dust extraction kit (optional)two integrated leds illuminating the work area with a delayed shut-off functionnot compatible with bl1811g bl1813g bl1815g (without electronics) batteries and the bl1815 battery (18 v / 1.3 ah)note! the device is powered by two makita lxt 18v batteries. The tool requires two makita lxt 18v batteries.dhr280 - sds-plus 2.8j 2x18v li-ion hammer drillsds-plus chuck (installed)anti-vibration side handledepth stop (331886-4)drill and chisel grease (198993-4)cloth (443122-7)2x bl1850b - 18v / 5.0ah li-ion batteries with charge indicatordc18rd - two-port li-ion fast chargermakpac system casecalibration insert for system case**