1、This is a 3 button electronic digital micrometer, which is packed in a sturdy plastic box, easy to carry 2、The LCD screen display the measured value quickly, no overspeed error, clear and easy for you to read 3、Professional digital micrometer support relative and absolute measurement interchange at any position(ABS function), measurement range from 1‑2in (25‑50mm) 4、Resolution is 0.00005in/0.001mm, high accuracy up to 0.0001in/0.002mm, accurate and reliable 5、This tool will automatic shutdown without response within 5 minutes, saving power and possess long service life Item Type: Digital Micrometer Range: 1-2in (25-50mm) Resolution: 0.00005in/0.001mm Accuracy: 0.0001in/0.002mm Support: Inch or mm conversion; reset; absolute or relative measurement Power Supply Battery: 1 x CR2032, Capacity: 240mAh Automatic shutdown after 5 minutes without response Operating Temperature: 0-40℃ 1 x Micrometer 1 x Calibrator 2 x Battery 1 x Cover Opener 1 x Storage Box