Swimming Machines features: This professional rechargeable air pump, made of premium material, is practical and durable for long time use. It is designed for faster and more efficient inflatable experience. Besides, it is of compactsize, which is convenient to carry and for outdoor use. Features Color:Black Material:ABS, Aluminum alloy Size: About15.00X5.60X5.60cm/5.89X2.20X2.20in Rated Voltage: 5V Output Voltage: 12V Battery Charging Voltage: 5V Battery Capacity: 2000mAh This electric air pump comeswith 2000mAh battery, which is easy and portable to use it anywhere, especially for travel and outdoor activities It is designed for faster and more efficient inflatable experience Lightweight and durable. It is easy to carry for your convenient use. Made from safe material, it is both sturdy and reliable. Works well with air mattresses, pool floats, yoga ball, pools, rafts, sofas, water beds, boat, pool toys, swimming rings etc.