1. Made of premium 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. Specification: Features: Made of premium 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: Color: Shown as Picture Material: Metal Alloy + Plastics Optional Type: 150A 200A 250A Package List: 1 * Power Holder Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.