Guide-Mixed SUNROAD FR500 FR510 Handheld GPS Navigation Receiver Portable Handheld Digital Altimeter Barometer Compass Locator FR500: Item Type: Altimeter Condition: 100% brand new Color: As shown Model: FR500 Material: Silicone Altimeter Measuring Range: -2296ft to 29500ft (-700m to 9000m) Resolution: 1m/3ft Height Measurement: Sea level height/climbing height Climbing Altitude Recording Function: Support Altitude Gain/Loss Calculation: Support Altitude History Record: Record every 30 minutes Unit: Switch between m/ft Barometer Measuring Range: 300hpa to 1100hpa (8.8 to 32.6inHg) Resolution: 0.1hpa Unit: Switch between Millibar and Inhg Thermometer Display Range: -20 to 60 (-4 to 140 ) Resolution: 1 /1 Unit: Switch between and History Temperature Record: Support Hygrometer Display Range: 20%-95% Historical Record: /Min humidity Compass Display Mode: 360 , 16-orientation display Resolution: 1 Weather Forecast Forecast Range: Next 12 to 24 hours Four Weather Conditions: Sunny-Sunny to Cloudy-Cloudy-Rainy Time and Date Display Mode: 24H or 12H display mode Flashlight Flashlight: LED flashlight Backlight: 5s high intensity LED backlight Waterproof Level: IPX4 Accessories L1-12B Lithium Battery: 1pcs Battery Capacity: 5V 230mAh Product Size: Approx. 100x66x20mm/3.9x2.6x0.8in Note: This FR500 type without GPS ,please don not buy it if you mind. FR510: Specially designed for outdoor fans for hiking, climbing, camping. Combines GPS & Beidou satellite together, multi-function and versatile, can work as altimeter, compass,barometer, hygrometer, etc. It is a really competitive outdoor equipment. Features: GPS & Beidou dual navigation system, double satellite location, ensures more accurate navigation. Multi-function, it shows many important data such as altitude, climbing speed, compass, atmospheric pressure, time, temperature, humidity, etc. Made of top chip and good quality plastic, sturdy and durable, working temperature is -20 to 60, can withstand harsh weather conditions, suitable for many places touse. Supports USB charging, easy to use, large capacity battery can offer long standby and working endurance. Equipped with a mini torch on the top, can offer illumination in emergency, also suitable for night outdoor activities. IPX4 grade waterproof, portable and lightweight, easy to carry and pratcial to use. User-friendly, with many function buttons on the side to makes you quickly change mode or search for data. Widely applicable to many uses, hiking, climbing, camping, etc. Specification: Material: ABS Color: Yellow&Black Waterproof: IP44 Size: approx. 100*66*20mm / 3.9*2.6*0.8inch Weight: approx. 126g Package List: 1 x Multi-function Barometer 1 x USB Cable 1 x Manual 1 x Lanyard _x000