Tool Set - contains aluminium alloy electric screwdriver with anodised surface, torque adjustment in 8 levels, max. rotation speed without load up to 395 rpm /min, 2 turning modes (loosening and tightening), integrated 800mAh Li-Ion battery with up to 3 hours of battery life Charging via USB-C cable (included) or AC adapter (not included), LED charging indicator, 40 types of C4 standard bits made of S2 steel, bit size 4 × 28 mm with 12 mm working length, magnetiser, all stored in an eco-friendly paper box, suitable for repairing glasses, laptops, computers, cameras or mobile phones