"The Mace Keyguard® is approximately 3” long, the compact design makes it convenient to carry and perfect for you if you are on the go . It includes a key ring that can be easily attached to your house, office or car keys! This model also features a hinged safety cap that flips open to reveal the actuator button, and an orientation tab that allows you to feel when the unit is properly aimed. The Mace Keyguard® is a 3 gram unit that contains approximately 6 short bursts with an effective range up to 5 feet. It is available in Pink (80365) or Black (80366)"