1.7-in-1 multi-function survival whistle contains high-decibel whistle, thermometer, compass, LED light, storage compartment, magnifying glass, reflector function, light and convenient, to meet your various requirements for outdoor adventures2.The shell of the whistle is made of environmentally friendly ABS material, which is high-strength anti-drop, high-temperature resistant, sturdy and durable, with a size of 10cm*2.9cm, and comes with an adjustable nylon lanyard, which is small and easy to carry.3.The multi-function whistle adopts a three-section buckle design, which can be split by rotating, and it is easy to operate.4.Loud safety whistle for camping, hiking, biking, skiing, any outdoor activity, and also for coaching, coaching, sports, teachers, lifeguards, protection, self-defense.Delivery Quantity: 2pcs, 7 in 1 multifunctional survival whistlePackage Contents: Only the above package contents, excluding other products.Size: 98x29mm(Reminder: The size is measured manually, there is a slight error)Color: Army Green Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store