3 in 1 Survival Whistle

Our super loud survival whistles is made of sturdy ABS,waterproof and durable, easily blew. It can provide up to 120 decibels sound guaranteed, can be heard from far distances, and play its role in times of emergency.3 in 1 multi-functions, besides an emergency whistle, it is also a compass and a thermometer, bring you necessary information during outdoor sports.With neck lanyard easy to get in any situation, it also can be tied to your backpack, belt and so on. It is perfect for camping, hiking, cycling,skiing, any kind of outdoor activities, and can be also for Coaches, Instructors, Sports, Teachers, Life Guard, Protection, Self Defense. Your logo is welcome. It could be customized as well.