The Strobes N' More Pro-Series and Whelen CSP switch is designed to work with the below power supplies. This switch allows the user to activate strobes 1 & 2 on the first switch and strobes 3 thru 6 on the second switch. The user can also choose the flash pattern of their choice with a simple push of the flash pattern button. They feature a simple plug and play harness for ease in wiring, along with a 15 foot cable to reach your power supply almost anywhere. No where but Strobes N' More will you find such a switch. This switch will save you both time and money.