The device is based on the technology of electronic bearing sensor and barometric sensor 8 in 1 Function: Digital altimeter, with digital barometer, digital compass, weather forecast, time , calendar, thermometer , and backlight. The digital altimeter is designed for outdoor use, the detachable string makes the digital compass a perfect hand-carry device for various outdoor activates it will give you backlight when you press any button.

Barometers are for the measurement of atmospheric pressure and can be labeled into the category of weather Instruments. Weather instruments are designed to measure one or multiple components of weather including wind speed and direction, rain or snow fall, solar radiation, temperature, pressure and humidity. In some cases, these instruments are designed for incorporation into a weather station arrangement and can be mounted on a pole or base and remotely monitored. In other cases, these are individual sensors or instruments that can measure one aspect of weather. In all cases, the instruments and sensors are designed for environmental type applications, and often housings are rugged for these and other applications.

Technical Specifications:

• Digital Compass

• Display of 8 cardinal directions

• Bearing in degrees (Resolution 0°…360°)

• Compensation of magnetic declination