Feature 1Easy to Use: The air pump is designed to be easy to use, with a simple one button operation that makes inflating items quick and stress free. 2Dual Function: Support two functions of inflation and pumping, not only can quickly inflate, but also quickly exhaust, convenient and practical. 3Safety and Stability: Built in intelligent protection system can ensure safety and stability during use, including overcurrent protection, overheat protection, short circuit protection and other functions. 4Low Noise: The air inflation pump is quieter than most pumps on the market, offering a comfortable using environments. 5Multi Purpose: This electric pump can be used for large inflatable equipment, inflatable bed, air cushion, boat, raft, sofa, bathtub, water bed, swim ring.Item Type:ElectricAirPump .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Product Material: ABSBattery Type: Built in Lithium Battery (shipped with built in lithium battery)Battery Model: 18650Battery Capacity: 2000mahVoltage: DC 5VPower: 50WPressure: 0.44PSIPackage List1 xElectricAirPump1 x Nozzle1 xCharging Cable1 x English ManualNote1. Please make sure the charge is sufficient before use.2. Please do not use the inflatable pump continuously for a long time to avoid affecting the performance and life.3. Please keep the inflatable pump on a stable ground and maintain a well‑ventilated environment.