The M12 FUEL 1/4" Hex 2-speed Screwdriver Kit delivers longer productivity in a compact size. This 2-speed screwdriver provides up to 10X longer motor life, 2X more power, and 2X more runtime than previous models. The POWERSTATE Brushless Motor outperforms all leading competitors with constant power output, yet runs cooler with no wearable components. The REDLITHIUM™ 3.0Ah battery pack delivers maximum power and more recharges than standard lithium-ion batteries, as well as best-in-class performance in extreme job site conditions. The onboard fuel gauge helps you monitor the charge more accurately, so there’s less downtime on the job. REDLINK PLUS intelligence ensures maximum performance and protection from overload, overheating and over-discharge.The M12 FUEL 1/4" Hex 2-speed Screwdriver’s optimised design results in superior speed for greater productivity on the job site. Its compact size allows users to work in tight spaces. The built-in LED worklight illuminates work surfaces in dark work spots.