Exposure WhiteEye Front Light: The White Eye plugs into your Joystick and will double your light output to 480 Lumens on MaXx setting. Powered by Smart Port technology – activate Smart Port to power up the White Eye. 240 lumens – one setting only Compatible with all 2009 & 2010 Exposure lights with SPT CNC alloy casing Weighs just 26g including mounting clip – mounts to side of the Joystick (or Diablo). Will NOT work with Spark model! Instructions: 1. Press and hold the on/off button on the Maxx2 light for about six seconds (You will see a series of flashes from the light). This activates the SPT. 2. Now turn on the light as per usual. (You will see a few flashes before the light stays on constant). 3. Now plug in your WhiteEye Please be careful not to shine the light in your eyes as they are rather bright!