Effortless Installation: This top post battery disconnect switch requires no additional parts for installation. It connects directly to your battery's top post, allowing for quick power cut-off and system security. Ideal for both novices and seasoned DIY enthusiasts.<br> and Safe: Made from robust plastic with copper connectors, our battery shut off switch is built to last. It effectively resists and prevents accidental short circuits, ensuring reliable performance for daily use.<br> Versatile ON/OFF Control: Offering reliable control with 250 amps for regular operation and 1000 amps for starting power, this switch is compatible with 12-48V batteries. It's perfect for a wide range of vehicles including cars, RVs, and boats.<br> Universal Compatibility: Designed to fit most standard top post batteries (15.5-17mm for negative), this switch is a versatile solution for battery protection across vehicle types such as cars, trucks, RVs, and boats.<br> The actual product may have slight color difference or difference, which not affect the use<br> Color: Red + Black<br> Material: Brass + Plastic<br> Package Contents:<br> 1 x Top post battery disconnect switch<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.