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Guinness Book of World Records

Perfectflite Firefly Altimeter<br /><b>UKROC</b> approved

FireFly Features:

  • Works to 100,000 feet MSL, reports peak altitude and maximum speed after flight.
  • Unlike many other low cost altimeters, each unit is individually calibrated for superb accuracy, repeatability, and interchangeability.
  • Highly resistant to false trigger from exposure to sunlight and wind gusts; tested in 100+ MPH winds!
  • Uses standard 3 volt “CR1025” size lithium button cell (included), battery life of 30+ hours.
  • Wide operating temperature range of 32F to 158F.
  • Measures just 1.1"L x 0.68"W x 0.31"H, fits in 18mm (BT20) tube, weighs just 0.12 oz. including battery.
  • Rugged SMD construction, stringent QC testing, and internal self-diagnostics assure uncompromising reliability.
  • Backed by full three year warranty.
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