Sanipoe Battery Powered Air Mattress Pump, Electric Quick-Fill Blower, Black. Unique Performance: CE and ROHS certified, 8 AA battery-powered (not included), no plug-in required. Perfect for indoor and outdoor activities. 3 Interconnecting Nozzles: Allows you to inflate most inflatable products of any size and shape, such as floats, boat,water beds, Beach Balls, inflatable sofas, seats, bathtub, couches, swimming rings,vacuum bags, but also for other products that require deflate. Two Air Ports: One port for inflation and another port for deflation. Just attach the nozzle to the inflation or deflation port, then attach it to your inflatable item and press the power button to inflate or deflate the item. Portable Design: The Electronic Air Pump is small,lightweight, practical, easy to carry,and it has a travel friendly dimensions: 4.7 x 4.7 x 3.8 inches. So you can devote more time to enjoying adventure or relaxation. NOTE: This airpump is not rechargeable and could not support to inflate balloons, needle valves nor stem valves like basketball tires etc). Please do not use the pump continuously over 10 minutes.