Linear ball bearings for ten million times use ?28mm stem suitable for reinforced clamping Absolute encoder, the original data remains after power off Adjustable resolution: 0.0002mm/0.00001", 0.001mm/0.00005", 0.01mm/0.0005" Reading in digital and Linear ball bearings for ten million times use ?28mm stem suitable for reinforced clamping Absolute encoder, the original data remains after power off Adjustable resolution: 0.0002mm/0.00001", 0.001mm/0.00005", 0.01mm/0.0005" Reading in digital and analog Button function: data output, tolerance, data preset, data hold, measuring direction change, max./min./TIR, power off time, on/off, mm/inch, adjust resolution Power: rechargeable battery, for 24 hours continuous working Ruby probe Built-in wireless Optional accessory: wireless receiver (keyboard format), code 2134-R1 wireless receiver (serial port format), code 2134-R2