Features: Durable and practical Portable,very convenient to carry out Large screen display,read it very clearly Can switch between mm and inch Specification: Resolution: Digital indicator:0.01mm or 0.0005" Digital mini-indicator:0.001mm or 0.00005" Measuring Range: Digital indicator:0-12.7mm or 0.5",0-25.4mm or 1" Digital mini-indicator:0-5mm or 0.2",0-12.7mm or 0.5",0-25.4mm or 1" Power:One silver oxide battery(SR44) with work voltage 1.5v(Not included) Operating temperature:0 Celsius-40 Celsius Storage temperature:-20 Celsius-70 Celsius Relative humidity:Less than equal 80 percent The response speed:Less than equal 0.5m or s Size:L x W x H or 12 x 5.5 x 2.5cm or 4.72 x 2.16 x 0.98" Material:Aluminum Alloy Color:As pictures Package include:1 x Digital dial indicator(Battery is not included) 1 x Instruction Manual Note:Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3 cm.