50 W Hide away Strobe Kit - 2 strobe bulbs and control box, 8 functions, white light. The Type-R 2 bulb strobe kit functions on a 12 volt power supply with a fan for eliminating heat. It has a controller for speed, frequency P/F and the number of flashes. 8 Function strobe light 1. simultaneous single strobe slower 2. simultaneous single strobe faster 3. simultaneous 3 continuous strobe slower 4. simultaneous 3 continuous strobe faster 5. alternate single strobe slower 6. alternate single strobe faster 7. alternate 3 continuous strobe slower 8. alternate 3 continuous strobe faster. Comes with 10 foot cord. Variable adjustable flash rate. Brighter, it has 25 WATT strobe on each side. Installation: Drill a 1 inch hole and plug in, connect to a 12v power supply.