Coofixtools are of Best Cordless Impact Driver Wrench For Automotive. We owns our own patent for many types of cordless tools, and powered tools. We can not only offer OEM, but can design machines according to your unique need.Model: CF3003Battery Pack Voltage(V～): 18V or higherNo-Load Speed(r/min):0-2300Impact Rate(r/min):0-2800Biggest Sleeve:24mmmTorque: 320N.mWeight:1.8kgsBattery type: lithiumCharging voltage:110v~220vBattery capacity: 3.0Ah/4.0AhRechargeable temperature range:0-40℃Color box size:33.3X8X16.3CMCARTON Size: 59x49x23CM5Pcs/CtnGood brand lithium battery and charger for cordless impact wrench.Six months warrenty for battery, and one year warrenty for motor inside.