Bub know many zombies who would chase red dot -
then again, Bub know many living beings that would chase red dot too

I sadly am one of those humans who would chanse it too. It's so red... and bright!

Good point, however as a defense not sure how one might implement it. Some might chase the dot, some might see the source of the pointer and chase it, and most would probably ignore it altogether.

Good points:
*If strong enough could burn zombie eyeballs and blind them. (Can't say for sure whether or not they need eyesight.)
*Possible communication for other survivors or if in a group. Remember power will be out and shouting causes the horde to find you.

Bad points:
*Batteries run low and those kind are hard to aquire.
*Pointer might do nothing and only cause the zombies to pinpoint your location.

Another New point: Katrina does not want to jump into a hoard of zombies to try and catch the red dot.
Why can you just pack flares? or fire crackers point them in a different direction and once they get far enough they pop and distract the zombies into thinking that is another walking feast. They need no batteries. for all i know all you would need is a good slingshot with random crap or rocks to make them go to the source of the landing sound.

Funny thought, train a homing pigeon to send messages so things don't turn out like Dawn of the dead

Hehehehe I know what I'm getting come Z-day

OMG he didnt get the reference!!! >.>

I havent been watching Warehouse 13,

It was a term taken from Land of the Dead.

Same basic principal?   I mean shoot some fireworks into the air and idiots will turn and watch.

you could always try and give them eye cancer with it by holding on their face for about a year.
mind you, zombies cant get cancer so scrub that.

only if I thought it was body art