Charge status display with 3 LEDs for monitoring battery performance. Innovative EZ connection cap with integrated collet wrench: no additional wrench is required to change accessories. Separate on/off switch with collet lock prevents unintentional activation of the collet lock. Slider for infinitely variable speed adjustment up to 30,000 rpm. Soft grip for comfortable handling. Compact and powerful lithium-ion battery (10.8 Volt) with 1 hour charging time. Powerful 36 mm electric motor for all your demanding cutting jobs and more. Motor brake immediately stops rotation of the accessory.