LAD-WEATHER Altimeter-Barometer-Digital-Compass Thermometer Climbing-Trekking-Camping-Hiking Outdoor-Watch There are 7 colors for this model. This product is green with positive display. (Other colors/display are sold on other pages.) [Functions] German Sensor Weather Forecast(Sunny/ Cloudy with sun/ Cloudy/ Raining) Altimeter -Altitude graph (automatically records on the hour) -Meter(m) or feet(ft) -Altitude graph (stores up to 34 past hourly data) Track Mode (Relative Altitude: It can measure the ascending or decending altitude between the starting and the finish point.) Barometer -Sea level Pressure graph (stores up to 34 past hourly data) -mb, hPa or inHg Digital Compass -Magnetic Declination -Calibrating Thermometer -Celsius() or degree Fahrenheit Chronograph -measure elapsed time -measure Lap Time (Up to 10 laps) -Range : 99 houres 59 minutes 59.99 seconds Timer -Countdown Timer -Range : 99 houres 59 minutes 59.99 seconds -Timer Sounds (Sounds for 30 seconds when counting to zero) Dual Time Mode Daily Alarm (Daily Alarm 1 and 2 are working independently) Day and date calendar -MM/DD or DD/MM format Power Saving Mode Electro Luminescence Backlight 12-hour/24-hour switchable [Size] Case diameter: 45mm / thickness: 13mm Band length: 150-220mm / width: 22mm Weight: 57g [Accessories] Original box Instruction Manual (English)