85g Size: 177*55*20 mm Battery capacity: 320 mah Charging port: Type-C Motor maximum torque: 0.2 n.m No-load speed: 190 rpm Manual max torque: 2 n.m Charging cable length: 60 cm Four gears adjustment With 6 Highlighting strong strengths: Can remove 500+ tiny screws/ All metal pen body/ Strong magnetic motor/ Rechargeable lithium battery/ Universal type-C charging/ Electric & Manual dual mode. Forward/ Reverse button responds to common thinking: Press the front “R” button to tighten forward, press back “L” button to loosen backwards. "