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1PC High quality ODP3031 0~30V 0~3A2 Channels Programmable DC Power Supply Notice : when the parcel arrived to your customs ,please pay the tax and pick up the parcel ,we are not responsible for any customs duty or import tax Notice : if your place is remote ,then need to pay 35usd . Picture show:Instruments must be continuous operation under the specified temperature morethan 30 minutes to ensure that the following parametersDescription:Product number:FH031with english maunal: yesLow ripples / low noise: