Costco: Duracell Safety Armband LED Light 2-Pack $6.99

*UPDATE* 4/28/15. Great for parties or for safety on that evening jog, Costco has the Duracell Safety Armband LED Light 2-Pack on sale for $6.99 (after manufacturer’s instant rebate), now through April 27, 2015. That is $3 off Costco’s regular price of $9.99. While supplies last. The batteries don’t last very long so you may want to keep extra CR2032 button cell batteries on hand.  For reviews on this product, check…