Digital Gps- Bike Computer, Speedometer Compass For Outdoor Camping Altimeter. Features: Adopt Super-accuracy Sensor from Swiss. Incorporates GPS, Altimeter, Barometer, Compass Functions, Etc. Thermometer, Hygrometer, Time, Date, Alarm Clock. Altitude Total Gain/loss, 24 Hours Altitude Record and Chart. Max/min Altitude, Temperature, Humanity Record. 24 Hours Air Pressure Trend Chart. Built-in Rechargeable Battery. LCD Backlit and LED Torch. IPX 4 Waterproof. (Do NOT Submerge in Water.) Specifications: Material: Plastic Carrying Mode: Hanging Ring Type Dial Display: Digital Use: Pointing Guide Size: 10 * 6.5 * 2cm / 3.9 * 2.6 * 0.8in Model Number: Altimeter Outdoor Activity: Tourism FR510: With GPS Positioning FR500: No GPS Positioning Altimeter Range: (-700 to 9000m/-2296 to 29500ft), with 1m/feet Accuracy. Altitude Total Gain or Loss: 44999 Meter/feet Range Pressure Range: 300hpa to 1100hpa(8.84inHg to 32.44inHg) Resolution Of: 0.1hpa(0.01inHg) Thermometer: Range from -20 to 60 (-4 to 140) Hygrometer: Relative Humidity(20% - 95%) Time: Hour, Minute, Second, Year, Month, Day, Date Weight: 75g / 2.6oz Package Size: 15.8 * 11 * 3.5cm / 6.2 * 4.3 * 1.4in Package Weight: 126g / 4.4oz Package List: 1 * Altimeter 1 * Charging Cable 1 * Wrist Strap 1 * Cleaning Cloth . We are an international seller, your order will be shipped from abroad so please allow the necessary time of minimum 14 working days for delivery right now depending on where you ship to, due to ongoing delays in postal deliveries globally.