Product Features:Weather forecast: Combining pressure and temperature can predict weather (sunny/cloudy/cloudy/rainy)Track mode (Elevation: it can measure the ascending or descending altitude between the starting point and the terminal point.)Barometer - sea level pressure chart - millibar, hpa or Inch of mercury, digital compass - declination - calibrationThermometer -10~60 degrees Celsius or 14~140 degrees FahrenheitChronograph - measuring running time - measuring lap speed - range: 23 hours, 59 minutes, 59.99 secondsDual time mode, daily alarm (daily alarms 1 and 2 work independently), electronic illuminated backlightspecifications:Dial diameter: 53mm/2.09 inchesShell thickness: 17mm/0.67 inchesBandwidth: 22mm/0.87 inchesBand length: 260cm/10 inchesWrist length: 165-235mm/6.5-9.3 inchesCase shape: circularLock buckle type: Lock buckleWatch strap material type: PUShell material: ABS+PUtake care: Lifetime waterproof (50 meters), not suitable for long-term underwater activities such as diving. Do not press any buttons underwater Please remove the protective film cover from the surface of the