1、Made of high quality metal Alloy and plastics material for durability and stability. 2、It is suitable for use in car, ships or other vehicles. 3、Provide complete protective safety for your car audio system. 4、Automatic power off when the current is overloaded. 5、It can be installed on a panel or firewall. Features: Made of high quality metal Alloy and plastics material for durability and stability. It is suitable for use in car, ships or other vehicles. Provide complete protective safety for your car audio system. Automatic power off when the current is overloaded. It can be installed on a panel or firewall. Specifications: Condition: Brand New Color: Shown as Picture Material: Metal Alloy + Plastics Optional Type: 150A  250A Package List: 2 * Power Fuses Holder