Dual Gps And Beidou Navigation System: Gps Navigation Receiver Weather Forecast, Dual Satellite Tracking Ensures More Accurate Navigation. We Believe That A Handheld Gps Is Your Best Bet For Confidently Navigating Terrain Far Out Of Cell Range. Accurate Positioning: Multifunctional Compass, Multifunctional, It Displays Many Important Data Such As Altitude , Ascent Rate, Compass, Atmospheric Pressure, Time, Temperature, Humidity, Etc.Durable And Practical: Digital Barometric Altimeter, Made From Premium Quality Plastic And Good Quality Plastic Quality, Sturdy And Durable, Working Temperature Is -20 To 60 Can, Can Withstand Harsh Weather Conditions, Suitable For Many Places.Excellent Endurance: Usb Thermometer, Supports Usb Charging, Easy To Use , Large Capacity Battery Can Provide Long Standby And Working Time.Emergency Light: Barometer, Equipped With A Mini Flashlight On The Top, Can Offer Emergency Light, Also Suitable For Outdoor Night Activities.