Milwaukee 2917 22HD M18 FUEL 1 9 16" SDS Max Rotary Hammer Kit w ONE KEY Electric 7 fluid oz Automatic Low 7 fluid oz Automatic Low Oil Shutdown Yes Cast Iron Sleeve Yes Bearing Type 6003 Bearing CO Sensor Shutdown Yes EPA Certified Yes CARB Certified No 50 State Compliant No Panel Specification AC Rated Voltage 120 240V AC Rated Frequency 60 Hz Total Harmonic Distortion (THD) <3% AC Phase Single Engine Type 4 Stroke Engine Displacement 999 cc Valve Type OHV Bore 90 mm Stroke 78 Partially enclosed drum for mess containment & easy cable cleaning AUTOSTOP™ Enhanced Kickback Control prevents over rotation in a tool bind up 0 Batteries (48 11 1813)