Metal gears, electronic speed switch, 2 mechanical speeds with electronic adjustment. Handle covered in non-slip rubber. Max torque in case of rigid screwing with 16 adjustment positions and 1 complete locking for drilling. 10 mm keyless chuck, reversible. Supplied with 1 rapid battery charger 60 min. and briefcase. Complete with 2 batteries. Model: 14.4V - 1.1ah Lithium