This pump is great to use to inflate small inflatables and airbeds or to use with a 12V pump to top of your larger inflatables so they are nice and firm. The double action hand pump provides a continuous stream of air on the up and down stroke for faster inflation. It is made from lightweight, non-corrosive plastic that comes with 4 inflation adapters for just about any valve you will come across.Features:Double Volume/Double Action with continuous airflow on the up and down stroke0.3 bar pressure and 2 x 2 literHose locking system that allows the hose to lock into the body so it won't fall off during use4 universal valve adapters Heavy-duty molded construction with ergonomic handle and foot plate