Features: 520N.M high torque, stepless speed change switch.Powerful electric driver, multi-purpose, super .Suitable for construction site shelves, maintenance, woodworking, etc.Compact and lightweight design to fit into tight areasThe brushless motor does not generate sparks when it is working, and the motor does not wear.SpecificationsAdapted to 18V Battery (Without Battery )compatible for 18V B series lithium battery,such as BL1850B(197285-8),BL1840B(197270-1),BL1830B(197602-2),BL1430B(197618-7),BL1820B(197487-6);compatible for BL1850,BL1840,BL1440(196391-6),BL1415(194560-3),BL1815N(196781-3);NOT compatible for G Series battery such as BL1813G(196663-9) BL1413G(196882-7) BL1415G BL1430G BL1815G and so onNOT compatible 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 cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.