Alternately flashes any headlights, including those with daytime running lights, for great front-end protection! This flasher kit has 7 flash patterns you can change using your momentary switch, and includes two 27 watt halogen bulbs. These bulbs install next to your regular headlight bulbs and won't interfere with regular headlight functions. Fully encapsulated to keep out water. Includes two 15 foot power cables with plug-in ends to connect the halogen bulbs to the flashers. This system does not require the use of a remote power supply to operate. 12 VDC. Made in USA