The Einhell TE-CI 18 LI Power X-Change Cordless Impact Driver is fitted with a unique triathlon motor that is powerful and efficient for the highest demands in power-sapping screwdriving jobs. It has a special impact mechanism to eliminate any torsion forces on the user’s wrist, users can therefore effortlessly tighten large and long screws. It has a short, lightweight design with ergonomic soft grip surfaces and a rugged aluminium housing that has additional rubber supports for increased protection. The driver has precision speed control for fine adjustment on delicate jobs. Other features include: a standard Allen screw mount (it is recommended that you use impact-resistant bits), practical belt clip and 3 power LEDs included for good all round illumination. The lithium ion battery has a battery management system for optimum discharge control and long battery life. Its Power X-Change system battery can be used in all products from the Power X-Change family. Specification Bit Holder: 1/4in.No Load Speed: 0-2,300/min.Impact Rate: 0-3,200/bpm.Max Torque: 140Nm. Charging Time: 30 Minutes.Weight: 1.45kg.