Voltage:20V With 1pcs cordless impact wrench(CIWLI20451) With 1pcs work lamp(HWLI043006) Cordless impact wrench(CIWLI20451): Brushless motor Voltage: 20V Square drive: 1/2″ No-load speed: 0-1800/0-2000/0-2400rpm Impact rate: 0-2200/0-2600/0-3000bpm Fastening torque: 405Nm Breakaway torque: 555Nm Work lamp(HWLI043006) Using Li-polymer rechageable battery Lumens: Max:300?10% Low:75?10% LED power dissipation:3.5W Include: 1 Pcs USB charging cable 10 Pcs 1/2″ DR. impact socket set 1 Pcs 1/2″ square driver to 1/4″ hex 10 Pcs PH2+SL6.0 65mm screwdriver bits 2 Pcs 2.0Ah battery pack(FBLI20011) 1 Pcs charger(FCLI2001) Charge volts:220-240V~50/60Hz Packed by carrying case