The Wiha Insulated SpeedE II electric screwdriver is faster, stronger, and more efficient than ever. The new SpeedE II now features two power levels (0.4 Nm - 1.0 Nm or 3.5 in-lbs - 8.8 in-lbs) for an improved range of performance. Upon reaching the torque capacity, simply continue turning fastener by hand using the built-in the ratcheting function to reach the desired tightness and thereby decreasing risk of equipment damage. Change power levels by toggling a switch integrated into a form-fit handle that delivers comfort and control and features a ring light for low-light work environments. Comes with rechargable lithium-ion batteries for driving up to 800 fasteners per charge -USB charger with plug adapter is included.Every single Wiha insulated tool is individually tested to 10,000 volts AC and rated to 1,000 volts AC (1,500 volts DC) for safety and peace of mind in energized applications. Wiha Insulated tools are VDE Certified and meet EN/IEC 60900 testing standards for protection against arc flash explosion, ASTM F1505 standard specifications for insulated and insulating hand tools, NFPA-70E standards for electrical safety on the job site, and CSA testing benchmarks for safety and performance. Wiha premium quality Insulated SpeedEII is designed and engineered by Wiha Germany and Made in Germany. You can buy with confidence knowing that this product is Backed by the Wiha No Hassle Guarantee.NOTE: speedEII electric screwdriver is only insulated when used with Wiha Slimline Blades