Features: This 300A battery disconnect switches features a build in 5 80V digital electric meter for immediate battery monitoring and defense against power drainage in vehicles. Engineered with flame resistant housing and terminals, it ensures superior conductivity and reduced energy loss compared to standard ABS switches. Ideal for vehicle owners, enthusiasts, marine operators, and truck drives requiring stable battery management solution. Perfect for safeguarding batteries during extended vehicle storage, electrical systems maintenance, or accidental light left on situations. designs for multifunction applications including car , yachts, campers, ATVs, and trailers, this marine grade switches delivers strong performances in extreme environment . Specifications: Component : ABS+metal Size: about 48x60x100mm/1.88x2.36x3.93inch Technical Features: electric ranges: 5-80VDC rate current: 300A fast current: 2500A Operating temperature: -22 degrees -194 degrees Package Includes: 1XBattery Disconnect switches note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.