Check the listing for details. Car Racing Master Battery Disconnect Switch Panel For 4Post Alternator Drag Race. Condition: New. Listed at 39.00 USD. 12V Car Racing Master Battery Disconnect Switch Panel 4Post Alternator Drag RaceSpecification：Type：Master Disconnect Switch PannelColor：Black PannelMaterial：Aluminum AlloyPackage Weight： Aprox. 500gPackage Size： Aprox. 20x14x12cmWorking Voltage: DC 12VApplication: Universal for most 12V CarsFeatures：100% Brand New and High QualityBattery Disconnect Switch4 Post for use with alternatorsPre-drilled mounting holes design, convenient for installingIdeal for most 12V speeding and racing vehiclesComes Complete with red epoxy-coated handle and mounting plateMost sanctioning bodies require these for an emergency cutoff switchProfessional Installation is Highly Recommended (No Instruction Included)Package Included：1 x Master Disconnect Switch PannelAll accessories shown in the picture will be provided.Note：Please confirm that this product is available for your car before purchase.If you have any confusion, you are welcome to contact us.