Bluetooth connection to iOS devices Measurement direction: Right screw, left screw Torque adjustment range (N・m): 112-560 Minimum scale (N・m): 0.1 Total length (mm): 1486 Driving angle (mm): 19.0 Head width (mm): 58.4 Power supply (v):锂电池CR123A x 1 扭矩精度:右螺钉,左螺钉±3% + 1位数(数字= 小显示单元)