FR500 multifunction altimeter user guide
● Adopt super-accuracy sensor from Swiss
● Altitude total gain/loss, 24 hours altitude record and trend chart
● Max/Min altitude,temperature,humidity record
● 24 hours air pressure trend chart
● Incorporate altimeter, barometer, compass,thermometer and hygrometer functions etc.
● Time, date, alarm clock functions
● Built-in rechargeable battery
● IPX4 waterproof
