7 In 1 Outdoor Survival whistle

CPN-563212358

This Whitsle is in 1.14"diameters*3.9", it could be hang in your neck, free your hand. It's equipped with compass, reflctor, magnifier, Thermometer and so on to help you out under emergency situations. the LED light bulb could be lighted lasting for 10000 hours. It's an ideal accessories for you when go hiking, camping, doing adventure in remote place.