Technical data: Power supply: Battery, voltage: 12 V, battery type: lithium-ion, battery capacity: 1.5 Ah, torque: 30 Nm, maximum chuck diameter: 10 mm, 2 gears, speed in first gear: 0 - 360 rpm. second gear: 0 - 1300 rpm. Infinitely variable speed adjustment. Handle of LED lamp covered with non-slip material. Battery charging time: 1 hour Weight: 1.05 kg.