Milwaukee® designed and built: brushless State Power ™ engine to longer engine life and up to 3x more cuts per charge 2x Integrated fuel battery meter and LED light Flexible battery system works with all Milwaukee® M18 ™ Batteries Redlink PLUS ™ Intelligence System delivers the most advanced digital overload protection for tools and battery and uniquely improves the performance of the tool under load REDLITHIUM-ION ™ battery delivers up to 2.5 times longer run time, up to 20% more power, more battery life 2x and works better to -20 ° C than other lithium-ion technology Individual battery cell monitoring to optimize tool run time and creates a long-term package durability 50 ° bevel capacity Magnesium upper and lower guards provide best in class durability for impact resistance Integrated dust blower keeps cutting line clear Hang hook ensures safe storage of tools