Product Description: Altitude / relative height measurement and height correction function / compass Air pressure measurement / barometric pressure measurement and correction function Temperature prediction and correction function 24-hour pressure record Step frequency metering device 2 groups of alarm clock Stopwatch, countdown Second time Key tone, the whole point time telling 10 level contrast adjustment EL backlight Waterproof within 50M underwater (can be worn in cold water or swimming, but do not operate in water) Product Specifications: Air pressure: range of 300 - 1100 hPa, unit hPa / inHg, resolution: 0.1 hpa Temperature: range -20 - +60 ?, unit ? / ?, resolution: 1 degree Height: Range -500 - 9000 m, unit m / ft, resolution:1m Compass: resolution: 1 degree Weather: sunny day - sunny to cloudy day - cloudy - rainy day, forecast the weather conditions of 12 to 24 hours Countdown: the maximum is 99 hours 59 minutes 59 seconds Running seconds: the maximum is 99 hours 59 minutes 59 seconds 99 Operating temperature: -20 ° C - + 60 ° C / -4 ° F - + 140 ° F Packing List: 1 × G03 smart watch 1 x a charging cable 1 x an English manual
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