3 Different Size of Nozzles: Each electric air pump come with 3 nozzles of different size (S , M and L size). According to different use scenarios, use matching pump nozzles to inflate Lightweight and Portable: The air mattrss pump is lightweight and portable, convenient for indoor and outdoor use, and does not take up a lot of space. It is suitable for travel and is a necessary camping equipment for outdoor enthusiasts. (Note: This air pump is not rechargeable） Widely Used: Bestrip air pump has a wide range of uses. It can be uesd for air mattress, inflatable couch, air sofas, air beds, blow up mattress, swimming rings, pool toys, inflatable furniture, household vacuum, compressed bag etc Save Time and Effort: The electric air pump is easy to operate and inflates quickly. It does not take a long time to make the inflatable bed full of air, just press the button, it will automatic inflate / deflate items quickly, even children can do it After-sales Service: We provide 7*24 hours of customer service, if you have any questions when using, please contact us, our professional after-sales service will solve for you Packing Include: 1 x Electric Air Pump, 1 x Manual, Outlet & car plug ( AC:100V-240V/ DC:12V ), 3 different size of nozzles The electric air pump has 3 different size (0.7cm, 1.5cm, 2cm) of nozzles attachments which can fit most inflatable items you need to inflate or deflate. S size : suitable for small inflatable products, such as swimming ring, inflatable pillow, etc. M size : suitable for Yoga ball, inflatable swinging pool and etc. L size : suitable for inflatable air mattress and other some big inflatable products. Please Note: It couldn’t inflate or deflate bike, balloon, football