Features Outdoor Sports Equipment: The multifunction digital altimeter equipment is a simple instrument measuring equipment made for outdoor sports enthusiasts. The kit is equipped with a rope to make this device more portable in various outdoor sports. Multifunction: The multifunction digital altimeter device is fully functional and can provide information such as altitude, position, air pressure, time, and temperature. 8-in-1 function. Digital altimeter with digital barometer, digital compass, weather forecast, time, calendar, thermometer and backlight. Wide Measurement: The multifunction digital altimeter device has a wide measurement range and high accuracy. The digital altimeter is designed for outdoor use. Provide a wide range of basic and more accurate information for outdoor sports enthusiasts. LCD Display: The multifunction meter can provide ultra-bright backlight, 5 seconds high-brightness blue LED electronic, no matter what the environment, you can clearly see the readings on the LCD display. When you press any button at any time, it will provide you with backlight. Easy to Use: The device is powered by 2 AAA batteries (not included) and has a power‑saving function, so you don't have to worry about charging it outdoors. The detachable cord makes the digital compass an ideal handheld device for various outdoor activities. Specification: Item Type: Multifunction Digital Altimeter Altimeter: Approx. -700~9000m / -2300~29500ft measurement range (the altimeter can be used for initial calibration) Resolution: Approx. 1m / 3.3ft Barometer: 300mbar-1100mbar measuring range Resolution: 0.1mbar Electronic Compass: 8-directional mode display External magnetic field correction Accuracy: ±3° Resolution: 1° Thermometer: Measuring range: -10℃-+60℃ (℃ and ℉ unit adjustable) Resolution: 0.1℃ Weather Forecast and Time: Forecast 12 to 24 hours weather conditions 4 types of weather forecasts: Sunny-partly sunny-cloudy-rainy 24-hour time format Package List: 1 x Multifunction Digital Altimeter 1 x Lanyard 1 x English User Manual Note: 1. Avoid using it under rain, damp, high or low temperature, etc. (working temperature: 0℃‑50℃; storage temperature ‑20℃‑70℃). 2. Avoid contact with corrosive substances such as perfume, alcohol, cleaning agent, etc. Package List 1 x Multifunction Digital Altimeter 1 x Lanyard 1 x English User Manual