Feature: 1. Multi Function: Based on azimuth sensing and air pressure sensing electronic technology, the device can display azimuth, direction, clock, temperature, weather forecast and altitude, highly practical. 2. LCD Backlit Display: Designed with large LCD screen, super bright backlit display, no matter in any environment, you can clearly see the reading on the LCD. 3. With Lanyard: The upper left end is designed with a rope port, which can be connected with the rope, making this digital altimeter easier to carry in various outdoor sports. 4. Compact Size: This multifunction compass altimeter is compact in size and light in weight, very easy to put on your pocket or bag for carrying. 5. High Strength: The LCD altimeter adopts ABS plastic shell, which has high strength, will not easily break or damage, resistant to falling, ensures years of use. Specification: Item Type: Digital Altimeter Material: ABS Battery: 1 x CR2032 button battery (shipped without battery). Package List: 1 x Digital Altimeter1 x Lanyard1 x Instruction