Green lasers: how much power is too much?

[Creator]

Looks like someones house is about to be bombed...

Actually those are infrared lasers so that no one can SEE that they are about to be bombed.
..
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[justwondering]

One thing you don't have to worry about is the recoil when you switch the laser on.

But you may be concerned about the battery life of some higher power pointer lasers. Some use those tiny AAA batteries, just to keep it very small, even though the larger AA size batteries usually are the same price!