The Brown & Sharpe 00590302 Twin-Cal Digital Caliper has a measuring range of 0-6"/ 150mm with a Round Depth Rod and Thumbwheel. These calipers feature IP67 protection against dust and liquids, also with cable connection. Manufactured with built-in wireless output capability. Just connect the "plug and play" TLC (Tesa-Link Connector) emitter-receiver to the caliper, to being transmitting data between your Twin-Cal caliper and the Twin Station receiver attached to your computer. Use Tesa StatExpress or DataDirect software to analyze your data for quality control purposes. Other features include a large LCD screen with 11mm digits, 12,000 hours of battery life with normal usage, ABS measuring mode, a "Soft Touch" feature for better grip and maximum sensitivity and stainless steel plate cover with PVD deposit ensuring an optimal protection of the housing.