Check the listing for details. AccuRemote Absolute Origin Digital 8"/200mm Caliper IP54. Condition: New. Listed at 59.95 USD. AccuRemote Absolute OriginCal Digital Caliper AccuRemote's OriginCal 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