SUNROAD Multifunction LCD Digital Altimeter with Compass & Barometer & Thermometer & Hygrometer & Weather Forecast & LED Torch and Clock

About the product1. Brand new and high quality. 2. Adopt super-accuracy sensor from Swiss. 3. Altitude total gain/loss, 24 hours altitude record and chart. 4. Max / min altitude, temperature, humidity record. 5. 24 hours air pressure trend chart. 6. Incorporates altimeter, barometer, compass, Thermometer, hygrometer, time, date, alarm clock, LED torch functions, etc. 7. Built-in rechargeable battery. 8. LCD backlit. 9. IPX4 waterproof.Specifications1. Altimeter: - Altimeter range: -700 to 9000m / -2296 to 29500ft) - Resolution of 1 meter/feet - Max./Min. memory for altitude - Altitude history and graphical display of the last 24 hour altitude readings - Altitude total gain or loss 44999 meter/feet 2. Barometer: - Pressure range 300hpa to 1100hpa (8.84inHg to 32.44inHg) - Resolution of 0.1hpa (0.01inHg) - 24 hour pressure history and graphical display - Electronic pressure weather forecast (sunny, slightly cloudy, cloudy, rainy) - Pressure trend indicators 3. Thermometer: - Range