Welcome to our store! Used to protect your car's audio and video systems, preventing voltage spikes from damaging your equipment. Simple and convenient to install on the panel or firewall. Manual reset arm is easy to use, featuring automatic testing and manual coverage. High sensitivity provides timely protection during overload or short-circuit current. Widely used for cars with speakers, dual battery systems, winches, and other high-current systems when using electricity, to provide protection during overload or short-circuit current. Features: Used to protect your car's audio and video systems, preventing voltage spikes from damaging your equipment. Simple and convenient to install on the panel or firewall. Manual reset arm is easy to use, featuring automatic testing and manual coverage. High sensitivity provides timely protection during overload or short-circuit current. Widely used for cars with speakers, dual battery systems, winches, and other high-current systems when using electricity, to provide protection during overload or short-circuit current. Specifications: Material: Metal + Plastic Color: Black shell + Gray cover Optional circuit rating: 50A, 100A, 200A, 250A, 300A Operating Mode: Electronic type Input Voltage: 12-42 VDC Circuit Breaking: Normal circuit breaking Arc Extinguishing Capacity: Medium Installation: Easy to install, can be mounted on any flat surface or wall Product Function: Overcurrent protection, overvoltage protection, current residual, overload protection Car audio and video overload protection Automatic detection, manual reset Operating Temperature: -32°C to 82°C Package List: 1 * Circuit Breaker Note: Please note that the new type and old type of this product will be shipped randomly, and please ensure you do not mind before ordering. Your satisfaction is our top priority. We will provide you with the best service. If you encounter any problems with the product after receiving it, such as damage, incorrect quantity, etc., please contact us immediately, and we will provide you with the best solution!