Features: 520N.M high torque, stepless speed change switch. electric driver, multi-purpose, super .Suitable for construction site shelves, maintenance, woodworking, etc.Compact and lightweight design to fit into areasThe brushless motor does not generate when it is working, and the motor does not wear.SpecificationsAdapted to 18V Battery (Without Battery ) for 18V B series lithium battery,such as BL1850B(197285-8),BL1840B(197270-1),BL1830B(197602-2),BL1430B(197618-7),BL1820B(197487-6); for BL1850,BL1840,BL1440(196391-6),BL1415(194560-3),BL1815N(196781-3);NOT for G Series battery such as BL1813G(196663-9) BL1413G(196882-7) BL1415G BL1430G BL1815G and so onNOT for 18V Ni-CD battery such as 1822(194465-7)No Load Speed: 0 - 2700 rpmImpact frequency: 0 - 2700 ipmMaximum Torque: 520N.MChuck Size:1/4 inchMaterial: Plastic + Metalcolour: black+bluePackage Contents:1 x Electric impact wrench (Without battery and charger)1 x English manualOnly the above package content, other products are not included.Note: Light reflection and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.