This brushless rotary tool is optimized for power precision and productivity. Delivers unmatched performance with 30% higher RPM under load compared to competitors. REDLINK Intelligence gives overload and overcharging protection. Brushless motor provides more power under load. Variable speed with 12 settings. RPM adjustments from 5000 to 275000. Integrated collet wrench for quick accessory changes. Compatible with M12 battery packs. Battery and charger are NOT included.