* Size: 3.1" x 3.5" x 8.0"
    * Weight: 2.01 lbs.
    * Altitude Output Range: 20 ft. to 2,500 ft. max.
    * Accuracy: +-5 ft. 50-100 ft.; +-5% 100-500 ft.; %7 500-2000 ft.
    * Temperature Range: -55C to +55C
    * Vibration: .02" excursion from 5 to 55 Hz 3g from 55Hz to 2000Hz