CASIO PROTREK Titanium PRG240T 3 Sensor Solar - Compass, Barometer, Altimeter, Thermometer!

Solar powered

Low-temperature resistant (-10 °C/14 °F)

Digital compass
Measures and displays direction as one of 16 points
Measuring unit: 1°
Graphic direction pointer
Bidirectional calibration and northerly calibration function
Magnetic declination correction
Bearing memory

Altimeter
Measuring range: -700 to 10,000 m (-2,300 to 32,800 ft.)
Measuring unit: 5 m (20 ft.)
High Altitude / Low Altitude memory
Total Ascent / Descent memory
 Reference altitude setting, Altitude tendency graph, Altitude differential
*Changeover between meters (m) and feet (ft)

Barometer
Display range: 260 to 1,100 hPa (7.65 to 32.45 inHg)
Display unit: 1 hPa (0.05 inHg)
Atmospheric pressure tendency graph
Atmospheric pressure differential graphic
*Changeover between hPa and inHg

Thermometer
Display range: -10 to 60 °C (14 to 140 °F)
Display unit: 0.1 °C (0.2 °F)
*Changeover between Celsius (°C) and Fahrenheit (°F)

Duplex LC display

World time
31 time zones (48 cities), city code display, daylight saving on/off

Sunrise, sunset time display
Sunrise time and sunset time for specific date, Daylight pointers

1/100-second stopwatch
Measuring capacity: 23:59'59.99''

Countdown timer
Measuring unit: 1 second
Daily alarms
5 independent daily alarms

Hourly time signal

Battery level indicator

Power Saving

Full auto-calendar (to year 2099)

12/24-hour format

Button operation tone on/off

Regular timekeeping:
Hour, minute, second, pm, year, month, date, day

Approx. battery operating time:
6 months on rechargeable battery (operation period with normal use without exposure to light after charge)
23 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge)
Size of case/total weight: 57.3 X 50.9 X 15.3 mm/65.4 g
EL:Blue Green