Milwaukee© designed and built brushless POWERSTATE™ motor for up to 5x longer motor life and up to 30% faster cutting. 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. Individual battery cell monitoring optimises tool run time and ensures long term pack durability . Patented gear protecting clutch - extends gear and motor life by absorbing high impact forces caused by sudden blade lock-ups. FIXTEC blade clamp for fast and easy blade changes without any key. Adjustable shoe for optimised use of saw blades. Integrated battery fuel gauge & LED light. Durable metal rafter hang hook for work space management and safety. Flexible battery system: works with all Milwaukee© M18™ batteries.