Check the listing for details. OriginCal ABSOLUTE ORIGIN 0-4" Digital Electronic Caliper - IP54 Protection. Condition: New. Listed at 39.95 USD. OriginCal Absolute Origin Digital Stainless Steel Caliper OriginCal's Origin Digital Caliper uses HIGH ACCURACY ABSOLUTE memory technology. It keeps track of its origin position once set. Whenever the digital caliper turned on, the easy-view large LCD displays the actual sensor position ready to start measuring. It's not necessary to reset zero. The measuring speed is unlimited. Standard USB data output. High quality surface finish for extra smooth slider movement. Features: Resolution: 0.0005"/0.01mm Accuracy: 0.001"/0.02mm Range: 4"/100mm Measuring speed: Unlimited Protection rating: IP54 (Humidity and dust resistance ) Battery life:2 years under normal operation Operating environment: temperature 0°c+40°c; relative humidity: 80% Battery life: more than 2 years under normal operation OriginCal is iGAGING's latest version of the AccuRemote.