Measures Altitude, Up To 15,000 Ft. And Barometric Pressure. Perfect For Use As A Navigation Aid Or To Guide You Along Contour Lines. Includes Weather Trend Indicator (Shows If Weather Is Improving Or Worsening). 202 Comes With A Softside Carrying Case And Lanyard. 203 Comes With Rugged Abs Polymer Hardside Carrying Case And Lanyard. Size: 2.3" X 1.0". Wt: 1.4 Oz.table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }