Function: 1. The circuit breaker is easy to install and can be installed on any flat panel or wall. 2. The circuit breaker protects the amplifier from excessive current and overload protection of electronic audio equipment. 3. Mainly used do modify audiovisual systems such as cars, ships, trucks, etc. Circuit breaker can also be used do other circuit protection systems 4. The circuit breaker made of red copper and phenolic plastic is very easy do damage. 5. Simply press the button when using, the circuit will be closed/opened. No ma need to disconnect the power cord and screw terminals so that the cable is securely attached. Specification: Item Type: Circuit Breaker Material: red copper, phenolic plastic Method of operation: Electronic Suitable wire diameter: approx. mm / 0.04-0.24 inch Operating temperature: -32-82 Applications: mainly used do modify audiovisual systems such as cars, ships, trucks, etc., and can also be used in other circuit protection systems How to use: 1) Wiring of IN input line (BAT), OUT output line (AUX). 2) Press the oval button, the long handle will open, and the switch will be cut off. (Remember to press the elliptical button. 3) After resetting the extended long handle, the circuit breaker is powered. List of packages: 1 x Interrupter