Description Specifications and Functions: * Made of Extra Strong Carbon Fiber Composites * Minimum scale to read is 0.1mm/0.01'' * Battery: SR44/LR44 1.5V or CR2032 3V * Measuring range: 0-150mm 0-6'' * Resoultion: 0.1mm 0.11'' * Repeatablity: 0.11mm 0.11'' * Maximum measuring speed: 1.5m/sec,60''/sec * Measuring system: Non-contact liner CAP measuring system * Display: LCD display,minus sign "-",4 digits character,and "IN" sign for inch measuring unit * Power: One battery,SR44/LR44 1.5V or CR2