1. ULTRA BRIGHT BACKLIGHT FOR CLEAR MEASUREMENTS The LCD display of this digital altimeter features an ultrabright backlight that ensures clear readability of readings in any environment. Regardless of whether you are in bright sunlight or in low light conditions, you can easily read the information displayed without straining your eyes. 2. SPECIAL HOOK DESIGN FOR EASY CARRYING The special hook design of this digital altimeter improves its portability and convenience in various outdoor sports and activities. Attach it to your backpack, belt loop or gear for quick access and carry it by hand. Take this device with you wherever you experience adventure. 3. Multifunctional Digital Altimeter Barometer This digital altimeter barometer combines azimuth and barometric measurement electronics to provide comprehensive information such as bearing, direction, clock, temperature, weather forecast and altitude. 4. DURABLE ABS CASE WITH WEAR RESISTANCE The ABS housing of this digital altimeter is engineered to withstand wear and tear and give the internal components a long life. Rely on this device's rugged construction to withstand harsh outdoor conditions and continue to deliver accurate and reliable performance.