ITEM NAME:1 x Outdoor Survival Whistle-Emergency Camping Hiking Rescue Safety 150 D XBS Descriptio n Descriptions: *The whistle is an essential piece of safety equipment during outdoor activities. *Suitable for outdoor sports camping hunting survival and so on. *The whistle is designed to give you the best chance for survival in a disaster or lift-threatening situation. *With the unique sounding chamber, you will save 30% of the effort than an ordinary whistle. *Max sound intensity to 150 decibels. *Double pipe design, key ring button function. *Stainless steel material, durable use. *100% brand new and in good.The whistle is designed to give you the best chance for survival in a disaster or lift-threatening situation. With the unique sounding chamber, you will save 30% of the effort than an ordinary whistle.