The Einhell 3.6 Volt cordless screwdriver is equipped with Li-Ion battery technology. The screwdriver has right / left turn, 3 steps LED battery capacity indicator, bright LED light for poorly lit areas & a locking sleeve. Also a main feature on this screwdriver is a 9 step torque setting, this gives added control on delicate work pieces. There is a locking button for the turnable handle to lock securely in the desired position when in use. Complete Soft-grip handle for added grip & contr