Item Name: Switch Single Circuit On/Off Dual Battery Selector Disconnect Main Isolator. Switch Position: 4 ( 1 - 2- Both - Off)Dimensions: As pictureVoltage: 12-36VMax Amp: 300ASpecifications:Rated current: 175AFeatures & Benefits-Thermoplastic ABS housing, durable and sturdy.-Small in size, Fine appearance.-Ignition and corrosion-protected bronze steel shaft.-Large range of Bronze screws for battery connection.-Can be installed in any position.-It is rated at 175A continuously duty at DC-12V and rated at intermittent 300A.-4 switch positions including OFF / 1 / 2 / BOTH positions.OFF - Complete disconnect of both batteries or banks of batteries1- Operation of No.1 battery only2- Operation of No.2 battery onlyBOTH- Operation of both batteries and banks of batteriesPackage Included:1pc Battery Selector Switch *Please make