- AC Electric Pump for indoor use: operates on 110-120V AC with a cord length of about 1.6 meters (5.3 feet). Air pressure reaches 2.5 psi (17000 Pa), enabling Queen-size or King-size air mattresses to be inflated within minutes. - Wide compatibility and accessories: comes with 4 detachable nozzles to fit a variety of inflatable items. Use the inflating function for inflatable pools, inflatable beds, inflatable sofas, inflatable toys, and swimming rings. Use the deflation function for vacuum compression bags and other compatible items. Note: not suitable for basketballs or balloons. - Quiet operation and reliable performance: features an advanced air pump structure that reduces noise and vibration by up to 15% with a dedicated quiet system. The power lead uses certified pure tinned copper wire for stable, safer performance. - Easy to use for inflating and deflating: simply attach the inflation port to the valve and press the switch to inflate. Switch to the deflation port to remove air. This pump works with any inflatable item that requires air input or removal. - Safety and care: keep out of reach of children. Use scenarios: - Setting up a guest room: quickly inflate a Queen-size or King-size air mattress for visitors, then deflate and store when not in use. - Family indoor activities: inflate pools, beds, sofas, toys, and swimming rings for family fun inside the home or apartment. - Efficient storage and organization: use the deflation function to compact air-filled items or vacuum compression bags for easier storage.