1Mute electronic adjustment, support electronic touch adjustment with multiple grades 2Possess small size, large volume, novel and unique appearance, high efficiency and energy saving 3High temperature resistance, pollution-free, maintenance-free and possess long life 4Brand new motor technology bring stable performance, safe and reliable 5Builtin double protection for overheating and overloading, provide longterm continuous operation, aquarium oxygen pump, handicraft air pump, environmental protection1 x Pump1 x User Manual1 x Charger2 x Sand Head2 x Stop Valve2 x HoseItem Type: Fish Tank Oxygen PumpMaterial: PlasticUse: Oxygen pumpModel: Q7-HQ-803Voltage: EU Plug 220-240V/50-60HZAir Output: 2X3L/MINPower: 4W