● For outside groove measuring
● A green LED light turn on when the reading is within preset tolerance limits
● Absolute system with 3V
● IP54 protection, water and dust resistant
● Scale with glass rail for precision sampling
● No moving speed limit
● Stainless steel, hardened
● Four way measurement
● With ORGIN, MODE, TOL and INC/POWER four buttons
● Data output with mini USB interface
● Deliver in plastic box with inspection report