But it's not $10... The batteries alone cost $18. But for $20 I did it and it does work like it says...
$10 Police Flashlight Hack! -
Click here for more home videos I didn't spray paint it because I thought it would probably get nasty all over my hands. Yellow is fine with me.
I had the flashlight laying around here. I don't know where it came from, but I had kept it for years.