Milwaukee® designed and built brushless POWERSTATE™ motor Fuel gauge displays remaining charge Compatible with M18-28 CPDEX dust extractor *patent pending REDLINK PLUS™ intelligence system delivers the most advanced digital overload protection for tool and battery and uniquely enhances the tool performance under load REDLITHIUM-ION™ battery pack delivers up to 2.5x more run time, up to 20% more power, up to 2x more battery life and operates better down to -20°C than other lithium-ion technologies High powered motor gives corded tool performance Hardest hitting cordless SDS hammer in its class. Powerful hammer mechanism delivers 4.0 J (EPTA) of impact energy at low 8.6 m/s² vibrations thanks to the new dual rail anti-vibration system* All metal gear case - optimum seating of the gears for enhanced service life 4-mode operation: rotary hammer, hammer only, rotation only and variolock for maximum versatility FIXTEC system - keyless chuck changing Individual battery cell monitoring optimises tool run time and ensures long term pack durability