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Old 01-21-2013, 01:31 AM   #3
Tim McKittrick
Beastly Adventurer
 
Joined: Dec 2003
Location: Wasilla Alaska
Oddometer: 1,704
A few moments with uncle Google finds:

http://www.amazon.com/Zapper-NZ-1-Dr.../dp/B000V5J3SE

http://www.5starshine.com/info-nap-z...alert-aid.html

I don't know if either will fit in a helmet though.....
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