Check out AirZound, it’s a bike pump rechargeable horn.
Companies also make battery powered ones that sound like a car horn.
Finally, there are impact wrench driven train horns that are over 100dB loud for when you just can’t get their attention (WARNING: hearing damage guaranteed).
Check out AirZound, it’s a bike pump rechargeable horn.
Companies also make battery powered ones that sound like a car horn.
Finally, there are impact wrench driven train horns that are over 100dB loud for when you just can’t get their attention (WARNING: hearing damage guaranteed).