General description Designed for universal 12V applications, this Dual Battery Isolator Relay is a reliable solution for managing your car's power system. It features a robust ON/OFF switch that helps extend battery life and prevents primary battery discharge, ensuring optimal performance. Technical specifications Material: Plastic Type: ON/OFF Max rating: 500 amps at 12V DC Size: 7.2cm x 5.5cm x 8.5cm (2.8 inch x 2.2 inch x 3.3 inch) Water resistant black phenolic plastic Pins: 4 Color: Black Other information Package Contents: 1 x 500A 12V Relay Note: Light and different displays may cause the color of the item in the picture to differ slightly from the real thing. The measurement allowed error is +/- 1-3cm.