7-in-1 multifunctional emergency whistle,outdoor survival whistle with compass,thermometer,magnifying glass and lanyard,built-in LED light,suitable for hiking,camping,safety rescue training

Fully functional: On the base of the whistle, it is equipped with compass, thermometer, magnifying glass, LED lights and storage box. High-performance rescue whistle: Made of high-strength and wear-resistant ABS plastic, it gives the pipe body excellent impact resistance and wear resistance. Even if used for a long time in harsh outdoor environments, it can effectively resist scratches and aging and stay fresh over time. Loud sound: The high decibel whistle design ensures that the sound can penetrate different barriers in times of crisis and effectively seek help. Storage space design: it can store life-saving notes with names, addresses, phone numbers and blood groups. Convenient to carry: The compact and lightweight whistle with lanyard can be carried around, making it an indispensable safety equipment for outdoor travel, mountaineering, exploration, fieldwork, emergency shelter and team evacuation. In addition to its life-saving function, it is also suitable for various sports events and is a powerful tool for trainers and referees; meanwhile, it is also widely used for the behaviour training of animals such as dogs and birds.