The handheld WoodsCan Hornet rechargeable electric air horn uses a small electric compressor which pumps air through a mechanical trumpet to achieve in excess of 121 decibels of sound. This is the same sound at the same volume as disposable compressed gas air horns, but for a much longer duration (20 times longer) per battery charge than a single disposable gas air horn.
Disposable compressed gas air horns have proven to be unreliable and are extremely bad for the environment. A single 5 oz. can will only last a minute or so at best, it may not work at all in cold weather, and its sound volume diminishes the longer you use it. It also uses an extremely potent greenhouse gas as a propellant versus the WoodsCan Hornet rechargeable electric air horn only uses air, and it will reliably...
A disposable gas air horn is not typically recyclable through regular curbside recycling because it is a pressurized container, which poses a safety hazard unless properly handled. Because of this special handling requirement, the perfectly good metal it is made with often does not get reused. Here are the issues, and here are the possible