This battery disconnect switch is designed to enhance safety and convenience for automotive, RV, and marine applications. Featuring a durable top post design, it allows users to easily isolate the battery power by turning the extended knob. Its compact and sturdy construction ensures reliable performance in various environments. Features -Color:Multi -Material:Plastic+alloy+copper -Size:14.00X5.40X4.60cm/5.50X2.12X1.81in -Voltage stability: ensures a stable voltage range of 12 v, maintaining the stability of your rv or boat's power system -Power cut protection: features a power cut protection design to effectively prevent circuit overload, safeguarding your electrical devices from damage -Extended knob the extended knob switch allows for easy operation in confined spaces, enhancing user convenience -Durable materials: made from durable materials that resist wear and aging, extending the product's lifespan and reducing the frequency of replacements -Universal design: the universal design is widely applicable to cars, rvs, and boats, meeting diverse modification needs Package list: 3 battery switch