The ORACLE 3 Watt LED Bolt Light is a High Intensity LED with a stud style screw design. It can be used on any type of vehicle or practical application. Used for interior/exterior applications including running light and flood lighting etc.The ORACLE 3-Watt CREE LED Bolt can also be used as a rock light. With a stud style screw design, the unit is resin injected making it 100% water tight and weatherproof. This makes it perfect for rugged applications such as under-cab rock lighting. This gives the driver increased visibility while crawling.