EASY TO USE - The automatic reset circuit breaker does not require replacing the built-in fuse and can also be used as an ON/OFF battery switch. The car audio circuit breaker has simple installation steps and can be installed on any flat panel, firewall, or in a car. LONG LASTING - The manual reset car circuit breaker is made of high-quality zinc alloy with an inner lining. The housing and parts are made of highly flame-retardant plastic, which is resistant to vibration, heat, and corrosion. SAFETY PROTECTION - Built-in high-current wiring board, high sensitivity, high-tech waterproof housing, with protective rubber bolt cover, can protect your tow motor from damage caused by overload current or voltage. SPECIFICATIONS - 80AMP 12V - 48V DC compatible with all 12 to 48 volt systems. UNIVERSAL USE - The quick-release circuit breaker is used in auxiliary and accessory circuits for trucks, buses, RVs, boats, caravans, trolling motor batteries, tractors, ATV winches, and marine