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• Operating Temperatures: -40°F to +185°F (-40ºC to +85ºC)
• Operating Altitude: -300 ft to +21,000 ft (-91 m to +6,492 m)
• Weight: 7.37 ounces (209 grams)
• Dimensions: 4.38 x 2.75 x 1.75 inches (approx. 111 mm x 69 mm x 44 mm)
• Floats in water
• Waterproof to 1 meter for up to 30 minutes
• Humidity Rated: MIL-STD-810E Method 507.3, 95% to 100% condensing
• Salt Fog Rated: Per MIL-STD-810E Method 509.3, 5% NaCl, 95% distilled water
• Vibration: (a) Per SAE J1455, (b) Random, 20 Hz to 2000 Hz, 0.04g2/Hz, one hour per axis
• Drop: Dropped twice on all six sides from one meter onto hard surface.
http://www.geobase.ca/geobase/en/ Hight data download
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At the steam Vents in Hudson's Hope BC .Click on the pic for utm