Clockwise Tools DCLR-0605 Electronic Digital Caliper Inch/Metric/Fractions Conversion IP54 Protection 0-6 Inch/150 mm Stainless Steel Body Super Large LCD Screen Auto Off Featured Measuring Tool Higher quality and lower price; inch/metric/fractions conversion; Home DIY and professional use are highly recommended Fine polished stainless steel and NEW processing of depthometer's groove give better looking, smooth sliding, and accurate result Measure Range: 0-6 inches/150mm; Display: 3/4"x 2" (20mmx 50mm) extra large LCD; Accuracy: 0.001"/0.03mm; Resolution: 0.0005"/0.01mm; 1/128" ip54 protection; Featured RS232 Data transfer with our DTCR-02 Data cable Each digital caliper has been fully calibrated before ready to sell; Patent in the US; Comes with one extra battery; 100% satisfy guaranteed Clockwise Tools DCLR IP54 Digital Caliper is a higher quality digital caliper. It is highly recomended for home DIY using as well as professional using. Please NOTE that IN ORDER TO OBTAIN A MORE ACCURATE MEASURING RESULT, PLEASE USE A SMALL PIECE OF PAPER OR PAPER CARD TO CLEAN THE EXTERNAL JAWS EVERYTIME BEFORE USING! Clockwise Tools DCLR DIGITAL CALIPER HAS <span class="a-text-bold">AUTO-OFF FUNCTION AND IT TAKES 5-7 MINS TO SHUT OFF</span>. <span class="a-text-bold">PREVIOUS MEASURING RESULT WILL BECOME ZERO WHEN YOU RE-OPEN IT!</span> Measuring Range availale in 0-6 inch/150mm; 0-8 inch/200mm; 0-12 inch/300mm Extra large LCD screen 3/4&#034;x 2&#034; (20mmx 50mm) in Inch/Metric/Fractions conversion. Up to 1/128&#034; fractional display. Accuracy: 0.001&#034;/0.03mm (6 inch); 0.001&#034;/0.03mm (8 inch); 0.0015&#034;/0.04mm (12 inch) Resolution: 0.0005&#034;/0.01mm, 1/128&#034; Repeatability: 0.0005&#034;/0.01mm Fraction/mm/inch Convertible Digital caliper has been calibrated Clockwise Tools DCLR-0605 Digital Caliper Grey box One installed 3V, CR2032 battery; One spare battery User guide Better looking Smoother sliding More precision External measure Calibration Internal measure Calibration Depth measure Calibration Step measure Calibration Clockwise Tools DTCR-02 RS232 Data transfer cable is avaliable on amazon. Please note that DCLR Digital Caliper <span class="a-text-bold">CAN ONLY BE CONNECTED WITH DTCR-02</span> Measuring Range: 0-6&#034;/150mm Accuracy: 0.001&#034;/0.03mm Battery: 3V, CR2032 (installed); Extra Battery Included 100% satisfied guarant ed Measuring Range: 0-8&#034;/200mm Accuracy: 0.001&#034;/0.03mm Battery: 3V, CR2032 (installed); Extra Battery Included 100% satisfied guarant ed Measuring Range: 0-12&#034;/300mm Accuracy: 0.0015&#034;/0.04mm Battery: 3V, CR2032 (installed); Extra Battery Included 100% satisfied guarant ed