Specifications: The whistle is designed to give you the best chance for survival in a disaster or life-threatening situation. With the unique sounding chamber, you will save 30% of the effort than an ordinary whistle. Max. sound intensity to 150 decibels. The whistle is an essential piece of safety equipment to have during outdoor activities. Suitable for outdoor sports, camping, hunting, and so on. Item Name: Whistle Material: Stainless Steel Occasions: Camping, Hiking, Outdoor Sport, etc Features: Up to 150 Decibels, Blow Easily, Key Ring Design, Survival Kit Size: 5.7cm x 1.8cm/2.24" x 0.71" (Approx.) Notes: Due to the light and screen setting difference, the item's colour may be slightly different from the pictures. Please allow slight dimension differences due to different manual measurements. Package Includes: 1 x Whistle