Mounts Easily To Front Or Top Of Dashboard. Battery Free Analog Design. Measures Altitude, Up To 15,000 Ft. And Barometric Pressure. Includes Weather Trend Indicator (Shows If Weather Is Improving Or Worsening) As Well As Two Sets Of Hook And Loop Fastener, For Easy Transporting Between Two Vehicles.table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }