Wolo (8006-1-6C) Lightning Plus 120 Watt Power Supply Six Bulb Emergency Warning Strobe Kit - 6 Clear Bulbs 6 Clear bulbs Super bright six bulb hidden strobe light kit Bulbs have a rubber grommet base, designed to easily install into a 1 inch hole, which is drilled into each headlight, front side marker and taillight assembly To protect the bulbs against vibration and moisture they are encapsulated in silicon Six advanced flash patterns to choose from, which are controlled with the touch of a button from the control panel provided