Powerful Motor & High Torque – Maximum torque of 1590 in-lbs, along with variable speed up to 2,900RPM, XtremepowerUS Cordless impact driver can drive screws or tighten nuts in astonishing speed Compact & Lightweight Design - Compact design can help you fit into tighter areas, ultra-lightweight make it effortless to be used for a long time, thus minimizing user fatigue Quick Tool Bits Change - With this special chuck, you can easily and quickly remove bits from the tool by simply pulling back on the collet Variable Speed Trigger - Variable speed switch adjust speed by the amount of trigger depression; The trigger switch (0 and 2,900 RPM) allows to control your own drilling speed which perfects for what you are setting up for Ergonomic Handle Design & Convenience - Soft rubber handle provides a comfortable grip for being breezily operated in one hand, includes a belt hook attached to the base of the tool lets you hold on to fasteners and bits that you may need to attach to the tool while you're high up on a ladder