Description 150mm 6 inch LCD Digital Caliper Stainless Electronic Vernier Guage Micrometer Features Aluminium alloy head full body is made of hardened stainless steel Strong stainless steel frame Extra Large easy to read digital LCD display Metric conversionzero buttons Measures inside outside and depth from 0 6 0 150mm Accurate to 1 1000th of an inch and 1 100th of a millimeter Auto switch off for energy saving User manual is inside the retail box Measurement types internal dimension external dimension depth and steps Measurement in both SAE inch or Metric mm with conversion Can zero setting in any position With a small locking thumb screw which locks the jaws in place Large LCD Display Automatic turn off function Specification Measure range 0 150mm 0 6Resolution 0 01mm 0 0005Accuracy 0 02mm 0 001 100mm 0 03mm 0 001 100 200mm 0 04mm 0 0015 200 300mm Repeatability 0 01mm 0 0005Max measuring speed 1 5m sec 60 secMeasuring system Linear capacitive measuing systemBattery 1 55V SR44Working temperature 41 104F 5 40C Relative Humidity 0 80 Package includes 1 x 6inch 150mm Stainless Electronic Digital Caliper1 x 1 55V SR44 Battery1 x English User Manual1 x Storage CaseDetails pictures