The Mace Pepper Gun is the most accurate defense pepper spray unit available. The OC super strength pepper spray formula contained in a disposable cartridge that can be replaced when empty. The cartridge utilizes an advanced delivery system, that allows you to spray a constant stream, reaching up to 25 feet, from any angle. The trigger activated LED light helps you to accurately aim the Pepper Gun and momentarily distract the attacker in the dark. The self defense unit includes a 28 gram OC Pepper cartridge, a water test cartridge (practice makes perfect), and batteries for LED light operation.