Digital thickness gaugePower supply: 1.5v button batteryWorking temperature: 0-40Resolution: percent: 0.01mm/0.0005''Thousand points: 0.001mm/0.0005''Measuring range: 0-12.7mm/.5'' , 0-25.4mm/1''Packing: plastic box (125*81*31mm)Weight: 173gUsing method:1. Wipe the upper and lower measuring head clean2. Press the switch Jian, turn on the power, check whether the display is normal3. Check whether the display is zero when the upper and lower measuring heads are closed, if not, press the zero gym to clear the zero4. Press down the control lever, so that the upper probe away from the lower probe has enough distance, the measured workpiece flat on the lower probe and then relax the control lever, so that the upper probe tightly pressed to the workpiece, and then read the number 5.Battery installation method:In the back of the product will be the battery cover using the workpiece or fingernails in the direction of the arrow to rotate and remove, install the battery (battery positive pole facing up), in the battery cover installed.Caution:1. Thickness gauge is a precision tool, should be used to prevent impact, drop, so as not to lose precision.2. Should be kept clean, avoid water and other liquid substances penetrate into the thickness gauge to avoid affecting the normal use.3. Any part of the thickness gauge can not apply voltage, do not use the pen to engrave, so as not to damage the electronic appliances.4. When not in use for a long time, the battery should be removed.