Hardened and tempered stainless steel gauge 11mm High figures in LCD display for ease of reading. Metric or Imperial read-out with ‘Hold’ function. Zero setting control allows for comparative measurement. Includes serial port connection for computer interface. Supplied in storage case. Range: 0-100mm(0-4"") Resolution: 0.01mm(0.0005"") Battery: SR44 - 1.5V (supplied)"