M12 cordless lithium-ion 3/8" hammer drill driver kit, powerful motor delivers 275 in-lbs of torque, compact & lightweight, 2 speed metal gear box, 0-22,500 bpm, 0-400/0-1,500 rpm, 3/8" metal single sleeve ratcheting chuck, maximum durability, grip & bit retention, on board fuel gauge displays remaining run time, built in led light illuminates work surface, includes: two m12 red lithium batteries, 30 minute charger & carrying case.