YKLSXKC High-precision electronic digital display carbon fiber full plastic millimeter inch conversion vernier caliper measuring tool 0-150mm [4 measurement methods and safety] : Digital calipers can be used for external measurement, internal measurement, depth measurement and step measurement.And the pins of the plastic calipers are made of plastic, so there is no short circuit when measuring the battery or in contact with positive and negative electrodes.Safety is higher than metal calipers. [LCD and automatic closing] : High quality digital calipers, large LCD display, easy to read, fast and easy to get accurate results, digital calipers automatically open when sliding rail,5 minutes after the use of automatic closing.Powered by batteries, it contains a pre-installed battery and a spare battery. [Return to zero function] : Intelligent design, press a button at any position of the scale can easily reset to zero, and start a new measurement, very suitable for differential measurement [inch millimeter conversion] : Use YKLSXKC digital calipers to switch freely between inches and millimeters.The switching function of the two units can meet different needs.More convenient, widely used for users to measure their desired values. [Measuring accuracy] : Measuring range :0-6 "/ 0-150mm;Precision :0.1mm / 0.01 ".Perfect accurate caliper measuring tool, suitable for home/jewelry /DIY measurement, please note.This caliper is not suitable for professionals with high technical level of accuracy.