The SKIL 2354-08 is a powerful cordless screwdriver that fits neatly into the palm of your hand. The tool offers 4V of maximum power and high torque for greater efficiency. The tool's rubberized handle offers a secure, comfortable grip. The SKIL 2354-08 iXO 4V palm-sized screwdriver also has a built-in LED SiteLight that turns on automatically when you squeeze the trigger. The SiteLight is designed to be maintenance-free and lasts the life of the tool. The screwdriver also features a Lithium-Ion powered battery that holds a charge for up to 18 months in addition to being compact and weighing only 11 ounces.