Small and portable, with the car on the road, responding at any time, body design, can be seen everywhere in the car, refused to put it on top at critical moments. The mobile cordless lithium battery air pump is compatible with Dewei 18V. It can be used in cars, motorcycles, bicycles, basketballs, footballs, etc. It is easy to operate by setting different maximum air pressure buttons. And equipped with nozzles. Name: Electric air pump Voltage: 21V Current: 10A Power: 50-60W Air volume: 45(L/min) Scope of application: tire pumping/ball Applicable battery: Applicable 18V lithium battery (without battery) Air pressure standard: 1. Basketball air pressure 7-9PSI 2. Football No. 4 ball 6-8PSI Football ball 8-9PSI 3. Car tires 33.5-36.3 4. Mountain bike 30-90PSI road bike 80-130PSI Material: Plastic colour: yellow Package Contents: 1 Set x Electric Air Pump Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.