10Pcs Adjustable XL6009 Step Up Boost Voltage Power Supply Module Converter RegulatorFeature Solidly structuredBuilt 4A efficient MOSFET switch so that the efficiency up to 94 Ultra high switching frequency you can use a small capacity filter capacitors that can achieve very good resultsSpecification Input voltage 3 5V 32VOutput voltage 5V 35VOutput current rated current is 2 5A maximum 3A Additional heatsink is required Load regulation 0 5 Voltage regulation 0 5 Work Temperature 40C 125CMaximum power 10WSize 4 1 x 2 1 x 1 3cmNote This cant be used to step down voltagePackage included 10 x XL6009 step up voltage module