Worcraft Welder 20V Li-ion, 775# motorTorque Setting: 20+1+1, with impact functionMax. torque: 50N.mNo load speed: 0~440/0~1650/minDia of drill chuck: 0.8~13mm metal chuckBuilt-in LED work lightWith spindle lock functionVariable speed switch with sharp stop functionAcc.: 1pc double-head screwdriver bitPacking: Color box (without battery and charger) Model No:CHD-S20Li