High-torque 12V motor: Up to 40 ft-lbs (55 N·m) with up to 300 RPM no-load speed to break loose and run down fasteners efficiently. 3/8" slim 90° ratchet head: Reaches engine bays, wheel areas and other narrow gaps where standard wrenches and ratchets struggle. 2× 2.0Ah lithium batteries: Work longer with fewer interruptions; built-in protection helps guard against overload, overheating and abnormal charging. Forward/Reverse switch: Quick direction changes for tightening and loosening. LED work light: Illuminates dark garages and under-vehicle spaces for better visibility. Comfort grip & safety-focused control: Non-slip, ergonomic handle helps reduce hand fatigue and improves control.