1. Handheld air horn, small size, easy to carry and use. Push the handle to create the loud noise. Environmentally friendly, chemical free, no harmful gases,never runs out, no refills required.2. Loud 120db horn ensures you will be heard from up to a mile away. Ideal for safe boating in fog, rain and darkness, alert nearby boaters or the coast guard to your location in poor visibility and emergency situations. This air horn mini is small enough to be able to easily be stored on a boat, jet-ski, dinghy, kayak, or canoe.3. Perfect for celebrations, football games, races skis sporting events and any other outdoor events where you need to be heard. Great use for parties, graduations, celebrations, and birthdays.4. Thousands of uses, for construction sites, factories, personal home, office alarm, fire alarm & more. Great size for personal safety for joggers, campers, hikers and any other situation when you need to get someones attention.Compact & powerful personal alarm that can be carried in a car, backpack, briefcase & more, perfect purchase for a gift for coaches boaters officials motorists lifeguards hikers bikers sports fans.5. The main pump is made of high-quality metal, which is more durable and loud than ordinary plastic pump. Be prepared when you activate this horn. It is extremely loud to the point that it will make your ears ring, so dont put the air horn near your or others ears.