Upgraded Brightness: Each light comes with more led quantity, and led chips rank in 3 rows, giving the light a brighter light output and larger irradiation coverage than the classic LED cubes Upgraded Combo Beam Type: Combining top and bottom 30°spot light and middle 170° flood light, the lard cubes can greatly improve your visibility at broader and further distance, no more afraid of dark spot Easy Installation: firstly attaches bracket, mounting nuts between heat sinks; and then bolt through hole, bracket and nut and tight with an Allen key, lastly mount light on the position 12ft wiring harness: more than 12ft of wiring from the switch to lights, has also been extendable, run the harness to your desired lighting location,power relay and inline blade fuse ACT as the first Line of defense against overcurrent and short circuit Two Available leads: with 2 Sets of light output connectors for dual lighting fixtures less than 180W, the connection is more stable,3 pin on/off rocker switch with Red Indicator light when truing on, easy to turn on or off, long service life