Specifications:

NOTE:The altitude could only be measured in meters. Using -04:00 for Eastern Daylight time handles the midnight transition properly.

Display: LED Digital of super brightness

Environment Temperature: -40 ~ +80 degree Celsius at atmospheric pressure 86-106KPa

Alarm Sound Level: over 30db

Working Voltage: 12V DC-in

Product Size: 116x70x12mm

Product weight: 66g

Package weight: 310g