MORE TORQUE, LESS STRAIN! Sun Joe's 4-Volt Cordless Screwdriver is the ideal tool for home and hobby. With a powerful 4-volt, rechargeable motor, the SJ4VSD is perfect for driving into wood, metal, and plastic with up to 26.5 in-lbs of torque! Equipped with an LED light to help you see in dark or tight spaces, the SJ4VSD packs the power of six screwdrivers into one compact tool. Its quick-swap cylinder system keeps screw bits close at hand — and changing them out is as easy as the flick of a switch!