Note: Included Upfitter / Aftermarket Switch System Wiring Harness does not include its own switch, it is designed to be used with an auxiliary switch system that has onboard fuses and relays.Recommended Fuse Sizes-Low Power Mode ? 15 AMP Fuse-High Power Mode ? 25 AMP FusePOWER MODES-Street Mode: The Amber Backlight on the FE3s and FE1s illuminate. Off-Road Mode: The high-power mode on the FE3s and FE1s turn on. WHAT'S IN THE BOX-(1) Upfitter / Aftermarket Switch System Wiring HarnessFLEX ERA 3 Off-Road Lights:-(2) FLEX ERA 3 Off-Road Light in Combo Beam Pattern-(1) Driver Side Bracket-(1) Passenger Side Bracket-(4) FLEX ERA 3 KC Logo Black / Yellow Cover-(2) FLEX ERA 3 Lens Replacement O-RingFLEX ERA 1 Lights:-(4) FLEX ERA 1 Light in Spread Beam Pattern-(2) Driver Side Bracket-(2) Passenger Side Bracket-(4) FLEX ERA 1 Flood Beam Lens-(4) FLEX ERA 1 Spot Beam Lens-(4) FLEX ERA 1 KC Logo Black / Yellow Cover-(4) FLEX ERA 1 Lens Replacement O-Ring