Indicate Direction LED Light Emergency Whistle Thermometer Compass Survival Whistle Reflector High Decibel 7 in 1 Whistle Hiking

High-concerned chemical : None Size : / With Noctilucent Display or Not : Yes Shockproof or Not : Yes Waterproof / Water-Resistant : Yes Origin : Mainland China Case Material : Steel

Blade length: 10MM Blade thickness: 0.01MM Rockwell hardness: 60 HRC‌ Label: yes