Item Name: RV Cut Off Kill 20247 Battery Disconnect Switch Battery Doctor Power Switch. Working voltage: 12VMaterial: metal + copperStud Specifications: 10MMRated current: 500AFeatures: The rotary switch can be locked on the panel to prevent accidental closing or openingScope of application: RV, yacht, truck, truck, automobile, engineering vehicleFunction: prevent leakage, protect the power supply, disconnect the battery safelySpecification:Instantaneous current: 5000AFeature:Disconnect Power with a Turn Of The HandlePrevent Tampering and Unauthorized UseHole for padlock and Heavy Duty Fixed Die Cast HandleWaterproof and Rated 500 Amps Continuous/5000 Amps Surge at 12 VoltsTwo 10mm Threaded Studs with Nuts. For Use on Negative Battery Cables Two 10mm Threaded Studs with Nuts. For Use on Negative Battery CablesPackage Include: 1 * 20247 Battery Disconnect Switch *Please make