200 AMP Isolator is the perfect solution when adding an auxiliary battery to your vehicle. It allows the second battery to be fully dedicated to the vehicle and will not create a voltage drop like a normal isolator. The isolator will draw less than 1 amp when your vehicle is powered. All this will keep your battery from being damaged! Mobile Audio Relay and Battery Isolator is perfect for isolating a second battery, allowing it to be dedicated to your stereo system200 amp continuous power handling300 amp surge power handlingSwitching power: 10-16 Consumes less than 1 amp when switched onItem: 200A RelayVoltage: DC24VColor: SilverMaterial: MetalPackage Contents: 1 x RelayAbove package contents only, other products are not included. Note: Light and different monitors may cause the color of the item in the picture to be slightly different from the actual item. The measurement allowable error is +/- 1-3 cm.