Label: YesMaterial: Copper; Metal; PlasticPackage includes: 1 pc Car Battery Disconnect SwitchSize: 8*5*6CM(3.15*1.97*2.36in)Operating voltage: 12V/24VColor: BlackType: Car Battery Disconnect SwitchDescription[Compatibility]: This rotary battery disconnect switch is only suitable for the battery's top terminal and negative terminal. Max current: 500A, rated current: 100A. 6v 12v 24V batteries for cars, trucks, buses, RVs, boats and trailers[Top Heavy Duty] This rotary battery disconnect switch is made of brass material, which is corrosion-resistant, has good conductivity, is durable and safe to use[Easy to install] This knob-type battery is easy to install and use. Switch raised 90° -> power off mode, switch lowered 90° -> power on mode[Energy saving] This blade-type main switch is used for battery isolation and protection of electrical systems, eliminating all power consumption from the battery when the vehicle or vessel is not in use, stopping unnecessary battery discharge and preventing theft or unauthorized use.[Widely used] Widely used in batteries for cars, trucks, ships or RVs, it can also be used as a key for various electrical appliances added inside and outside the car (such as flashing lights, chassis lights, fog lights, roof lights, immediate power failure equipment, etc.)