Coghlans Four Function Whistle comes in a small package but packs a punch. The multi-use tool features a thermometer, magnifier, luminous compass and whistle. Can be attached to a strap, belt or ring on your gear with the included clip for easy use. Weighing in at less then an ounce the Coghlans Four Function Whistle can be thrown in a pants pocket or clipped on a lanyard.
-2.5x Strength Magnifier
-Thermometer (C and F)