Walking Distance Meter JC316, JC316A ( with brake)
JC316 is a recorder of way and length. Especially it is applied on the way of turn up and down. It is a facile tool for measuring and recording.
Also with Brake, model number is JC316A, the brake can easily uninstall if no need.
Specification
1. Max counting capacity: 9999.9M ( 10KM) or Feet
2.