One of the five basic needs of survival is signaling and communication, The Key-Mate® is a brilliant signaling tool. The whistle provides an excellent communication tool.
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" Reflector optics deliver up to 400% more lighting range than traditional penlights.
" 100,000 hour. high-intensity LED
" Easily attaches/detaches with convenient pocket clip or key ring.
" O-Ring sealed for water resistance
" 0.9 ounces
" Designed by Survival, Inc., recognized for the development of ultimate
" A recognized international symbol of
distress is a series of three signals, (i.e. three blasts of the whistle)
Blowing a whistle preserves the vocal chords. The human voice will erode after 15 minutes of yelling