Features: Elevates your vehicles electrical performances with this 4 Pin 220V, a high capacity battery isolators Relays designs for best conductivity and durability. Featuring a flame retardant plastic casing, silver contacts for superior oxidation resistance, and full winding, this SPDT Relays ensures stable operate and stable performances in demanding environment. Suitable for automotive enthusiasts, electricians, and mechanics seek to enhances the electrical systems of car, trucks, and other motor vehicles with a robusts switching solution. Perfectly suited for applications requiring high current switching, such as starter relays, vehicle power management, and heavy duty equipment control, providing simple operate. This Relays is the perfectly solution for controlling fan, HVAC systems, and other electromechanical devices. Specifications: Materials: Stainless Steels and Plastic Size: about 7.62x7cm/3x2.76inch Voltages: 220V Package Includes: 1Pc Fan Relays note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to difference between different monitors, the picture may not reflect the actual color.