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.