"20V of voltage One lithium-ion impact wrench (CIWLI2038) and one work lamp (HWLI35261) are included. Impact wrench made of lithium-ion (CIWLI2038): motor without brushes 20V of voltage Square drive: 1/2 in. Speed without load: 0–1300/0–2300 rpm Rate of impact: 0-2000/0-3300 bpm Maximum torque of 300 NM Using a single 2.0Ah battery pack Including a single charger Volts of charge: 220-240V at 50/60Hz An integrated LED battery power indicator for work lights Task light (HWLI35261) Using rechargeable Li-polymer batteries Lumens Maximum: 300±10% Low: 75%±10% Power dissipation of LEDs: 3.5W Including one USB charging cable ten pieces of DR. impact socket set, size 1/2" Using one 1/2" square driver and a 1/4" hex wrench Using ten pieces of PH2+SL6 0.65mm bits for screwdrivers enclosed in a color box.