With the Mantis Pink Rhino Laser Training Cartridge loaded in your handgun, you can safely hone your aiming skills in the basement, garage, or anywhere you want to have target practice. When you pull the trigger, the Mantis training cartridge provides a bright, red laser that shows you where your shot would have landed. It's quiet, safe, and you'll save tons of money on ammo. Select the correct caliber for your firearm. Note: Not compatible with Ruger SR series or Hi-Point pistols. Runs on 3 LR626 batteries (included). Hone your handgun skills wherever you want Trigger pull produces a bright, red laser Save money on ammo Quiet and safe Batteries included