Easy to install and quick to change: the battery main switch for 12 V/24 V DC systems. On/Off 2 Positions Easy turning of the key from the battery isolator switch interrupts battery power in 1 second. It can only be removed in the off position. We recommend mounting on the negative battery pole. The battery disconnect switch prevents the battery from discharging when the vehicle is standing, and interrupts power supply, to avoid theft.Long service life: battery switch made of strong, flame-retardant ABS hard plastic. M8 pure copper clamp, stainless steel hex nuts for improved continuity. High temperature resistance, rust resistance, durability, protection of power supply from leakage, water, corrosion resistance for safe use. Quick disconnect with the car battery switch increases the life of the battery. Efficient protection for your vehicle against unnecessary power consumption.Wide application: the kill switch switch is widely used for cars, vehicles, boats, yachts, caravans, motor homes, caravans, trucks, battery banks and other 12 V/48 V devices. Can be used as a key to open various electrical appliances, such as Troboscope, chassis and fog lights that are used both indoors and outdoors. Fast battery main switch 12 V 24 V, ideal for maintaining battery charge over time.Extensive PackageThe battery isolator switch kit includes: 1 x M8 battery switch, 1 x waterproof cover, 2 x cut off keys, 2 x copper terminals and 2 x insulator covers. Copper terminals can make your wiring easier. The insulation cover prevents you from touching the wires directly, which protects your safety better. The weather cap can better protect the keyhole from erosion of dust and rain.If you ever have a problem with isolator switch, we will easily send you a replacement or refund the full amount.Devices that consume power continue to consume power: As cars and ships are equipped with a variety of electrical devices and power consumers, the car consumes power even when it is in sleep mode. After a few weeks, the battery is empty. Old cars and old boats discharge themselves: The insulation of the wires and a certain deterioration cause the car to discharge itself. The entire battery switch is easy to stop. Meet your change wishes: This product is suitable for those who need to modify the car who need to install the battery stack switch.Isolator Switch for Battery SetIncludes:Battery Switch x 1Button Switch Wrench x 2Isolator Cover x 2Water Protection Hood x 1Connection Terminals x 2.Items from Sheng Xinshun's shop