1/2" 18V Impact Wrench comply with the FFU good, GS, CE certificate 1/2" 18V Impact Wrenchcomply with the FFU good, GS, CE certificateLi-ion battery Voltage: 18vMax. Diameter of bolt:M10-M16battery:Li-ion battery(1.3Ah)chuck capacity:1/2 inchNo-load speed:0-2200/mincharging time: 3-5hrsMax. Torque: 220nmled light