The 3 Prong Red 4 Inch Highway 7 LED Sealed Light is a practical and reliable lighting solution. With a 12-volt power supply, this light is designed to be durable and long-lasting. The polycarbonate lens and housing ensure that it is sealed and protected from the elements. Measuring 4 1/2 inches in diameter and 1 1/2 inches in height, it is compact and easy to install. Sold individually, this LED light is a cost-effective option for enhancing visibility and safety on the road.