The electric air pumps are so powerful that it can not only inflate items but also deflate products by sucking air out. We have 2 nozzles of different size in the electric air mattress pumps, allowing you to inflate/deflate different items in any occasions! When using the air pump, pleease rest for 5 minutes when inflate with big adaptor in every 10 minutes and rest 5 minutes. The inflatable mattress pump is small and lightweight, making it convenient to use it indoor and outdoor. At a travel-friendly dimension, you can easily take air pumps anywhere you go! This inflatable mattress pump is a powerful inflator and deflator for both indoor and outdoor use, especially for travel and outdoor activities. Voltage: DC 12V Pressure: 3600Pa Volume: 380L/min Item Type: Pumps Model Name: car air pump Fit for:Rubber boat, inflatable bed, inflatable sofa, swimming ring colour:black material:plastic size:10.2 x 8.5 x 10.1cm Package Contents: 3 x Electric Air Pump 6 x Universal Nozzles 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.