This air pump may be small, but it generates up to 100psi of air pressure.Taylor Made's versatile Eco Blast Mini Air Pump is convenient to have on hand. Use it to quickly refill your Eco Blast Rechargeable Safety Signal Air Horn or to inflate boat fenders, bicycle tires, rafts, water toys and more. The Mini Air Pump comes with two interchangeable valves for adaptability and generates up to 100psi of pressure. Easy to use and stores anywhere!