<b>Specification: </b><br> <br>Model: JH606. <br><br> Nominal pressure: 3500 ± 150 PA <br><br> Air flow: 320 l / min. <br> <br>Weight: 11.11 oz. <br> <br>Size: 5.1 x 4.3 x 4.3 in. <br> <br> Easy to inflate or deflate an air bed, air mattress, trailer tubes, boats, kayaks, SUPs, pools and floats, and inflatable furniture with this easy to use Coghlan portable air pump. <br> <br> Three nozzle adapters are included that provide rapid inflation / deflation of double-lock household and recreational inflatable objects, Boston, and pinch valves. <br> <br> This inexpensive air pump is powered by four D-size batteries (not included). <br> <br> Not for use with stem or needle valves that are necessary for basketball, soccer, tires, and more. <br><br> <b>Note:</b>We suggest Japanese Matsushita 4d electric battery for long life.