DUAL TUBES:Adopt dual tubes with large calibre and loud sound, up to 120dB, very easy to obtain attention in case of emergency.
NOT EASY TO FADE:Apply anodizing technology, the surface is not easy to fade, have a long lifetime.
FEATURE:Use high-quality aluminum alloy material, durable, light and preservative, very suitable for outdoor use.
EASY TO CARRY:Survival whistle is lightweight and equipped with a keychain for easy carrying.
VERSATILE UNIVERSAL APPLICATION: Emergency whistle is generally suitable for outdoor activities such as outdoor survival, hiking, camping, dog training, and boating.