Package Include - Package includes 7 pack stainless steel whistles with lanyards. Referees whistles are ideal choice for referees, coaches, training, teachers, school, sports, officials etc. And sports whistles are easy to meet your daily use and replacement needs Good Quality Material - SANNIX whistles are made of stainless steel, sturdy, have good durability and have long service life. The lanyard is made of nylon, which is not easy to break after long-term use Loud Whistle - These emergency whistles have a loud and crisp sound that you can use sports whistle effectively under any circumstance and can quickly attract the crowed attention anytime you want

Multifunction:These features of the electronic whistle are helpful in your outdoor adventures. Such as biking, skiing, camping, hiking, backpacking, hunting, archery, fishing, swimming, boating, sea sports and any kind of outdoor activities. The 7 small parts of the whistle are detachable. Whether you need a whistle or another widget, you can use it quickly and easily. High Decibel Whistle:The compass survival whistles for adults can emit a high-decibel whistle that meets the standard military regulations. It is light in weight and has an excellent airflow design, making the whistle farther and harsher. With a north (south) needle, the number of pointers is accurate and clear at a glance, and there is a high-precision thermometer, which can grasp the current temperature faster and more accurately in the first time. LED Outdoor Compass:The survival reflective signal mirror attached to the electronic whistle is to use the principle of sunlight reflection to search and rescue people forward to explain their current location. The biggest feature is the built-in white LED flashlight. Under the premise that there is no light in the wild, it is a The lighting system for emergency use and the LED bulb have a lifespan of 10,000 hours.