ELECTRON LUMEN LED SPECTRUM CALIBRATION LAB TEST 

LED HEADLIGHT bulbs by Electron lumen are all developed with perfect spectrum kelvin temperature. 2800L 3000K 5500k 6000k 6300k 8300K.
All ELT series LED bulbs are equipped with CSP LED beads on copper base boards with it own unique design based on the model line for maximum efficiency at it's output level.
2800K and 6000K switchback LED H8 bulb used on A3 and 6000K H7 used on driving footage.