Bluetooth connection to iOS devices Measurement direction: Right screw, left screw Torque adjustment range (N・m): 2 to 30 Minimum scale (N・m): 0.01 Total length (mm): 211 Depth angle (mm): 9.5 Head width (mm): 22 Torque accuracy: Within the torque测量范围2至2.99n ・M:右螺钉,左螺钉±12% + 1位数,3至5.99n ・M:右螺钉,右螺钉,左螺钉±8% + 1位数,6至30n ・M:右螺钉,左螺钉,左螺钉±4% + 1位数字(Digit = 低显示单元)