Note: The parcel might be sent with out battery ,The battery variety is 3V CR2032 environmental Lithium battery 1 LCD demonstrate 2 capacitance dimension method 3 power-off in 5 mins 4/inch/Fraction conversion five gauge is appropriate for measuring the thickness of all kinds of plates,inside gauge is acceptable for measuring the internal diameter Model:Inside Gauge TD230C Measuring range:12 Resolution:0 Accuracy:±0 Battery type: 3V lithium CR2032 battery (Not included) Model:Inside Gauge TD230C +Handle Measuring range:12 Resolution:0 Accuracy:±0 Battery type: 3V lithium CR2032 battery (Not included)