Titanium Outdoor Emergency Whistle 120 Decibels EDC Necklace Lanyard WhistleTitanium Outdoor Emergency Whistle 150 Decibels EDC Necklace Lanyard Whistle Outdoor Camping. Made of titanium, precision machined, corrosion-resistant, non-toxic, anti-allergic, lightweight and durable. An emergency whistle can provide up to 150 decibels, enough to be heard over a long distance. Can be hung around the neck, easy to carry. It can be used in all weather conditions, rainy day, humid weather. Loud safety whistle for camping, hiking, hunting, fishing, boating all kinds of outdoor activities, also for dog training. Specification:Color: Metal Color Material: Titanium Alloy A (Single Tube)Size: 54 × 9 × 9mm/2.13" × 0.35" × 0.35" Weight: About 10gB (Double Tube)Size: 54 × 21 × 9mm/2.13" × 0.83" × 0.35" Weight: About 27g Note:Transition: 1cm=10mm=0.39 inch Please allow 0-1cm error due to manual measurement. Pls make sure you don't mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package Included:1 × Titanium Emergency Whistle