BETTER THAN STANDARD "STICK" LASER POINTERS
Having used 2 stick type pointers before, (& couldn't get replacement batteries for 1 of them), I thought I'd try this mouse pointer.
The button is much better than other styles since it doesn't "press in" to your finger when continually using.
This mouse's batteries are still going, months on, & I have used it a lot because my little cat goes crazy as soon as she hears the sound of the "keychain", let alone see the laser dot.
It has also proved invaluable when she doesn't want to come in!