Heavy duty (on / off) relay perfect for universal 12V, applications Product: 5Pin 12v Extra Heavy Duty 250A Split Charge Relay Size: 45mm (L) x 45mm (W) x 45mm (H ), about 1.77 inch (L) x 1.77 inch (W) x 1.77 inch (H) Input Voltage: 12V, (Working voltage and load voltage) Continuous Current: 200A / 100A, 100A / 60A (Normally Open) Current: 250A / 120A, 150A / 100A (Normally Open) Auto Connect Voltage: 6.8V-8.5V, 14.4V-16.8V Auto Disconnect Voltage: 1.2V-3V, 2.4V-7.2V Overvoltage: 14V, 28V Universal application can be used in car, RV, tractor, construction vehicle, etc. Large vehicles start. Colour: black Material: plastic+metal Package Contents: 4 x 12V 250A Normally Open 5 Pin Relay Only the above package content, other products are not included. 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.