ESD-280G 2 4536 13Manual instruction | Electric screwdriverENOperating controlsVentilation slots1.Rotational direction switch2.On/Off switch3.Locking button for on/off4.switchkeyless chuck5.Torque control6.Tool specificationmodel ESD-280Grated power (W) 280amperage by voltage 230V (Amps) 0.85no-load speed (RPM) 0-750Keyless chuck +stepless speed control +speed selection -reverse +torque control +drilling output (mm)steel 10wood 20concrete -weight (Kg) 1.5safety class / II