Use: a.Oxygensupplyforfishwhilstfieldfishing b.FreshLivebaitduringfieldfishing c.OxygenSupplyforfry/shrimpandfishduringtransportationforhighersurvivalrate d.Oxygensupplyforfishathomeoraquarium,especiallywhenblackout e.Others Feature: a.simplebutsmoothoutline,easy-operationdesign b.importedhigh-strength,pureABSplasticappliedtoshell,injectionmolding c.ultra-thin,compactsize,portableandeasytouse d.low-noiseandhigh-displacement e.waterproof f.stainlesssteelscrews,buckles,andspringresistancetosaltandfogtest TechnicalSpecification:Switch2turn-onand1turn-offVoltage1.5VPowerSupply1.5V1(D)#battery1pcBatteryLifeStrong20H,weak25H(PanasonicBattery)DisplacementStrong1.2-1.5liter/min,weak0.9liters/minWaterDepth50cmOuterSize113*77*44mmWeight168g(withbubblestoneandpipeinclusive）Standard60cmairpipe1pc;bubblestone1pc