Custom Emergency Survival Whistle w/ Therm & Compass

This whistle is made of ABS plastic, shrill loud blast sound for lifeguard, self-defense and emergency. Besides an emergency whistle, it's also a compass and a thermometer. 3-in-1 design, perfect fits for your wild adventure like: outdoor hiking, boating, hunting, fishing, camping, climbing, picnic, travel, etc. Comes with 15 7/10'' nylon lanyard for easy carring, you can hang it around neck, or on a wall mount.