I still recommend the Brinkmann 2-pack for 1bout $10 or $11 at the Home Depot. They have two white and one red LED. They use 3 AAA batteries (included). I only have four of them. They are great. If/when you lose one, you are only out about $6.

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My $.02
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"Its not a matter of being ready as it is being prepared" -- B. E. J. Taylor