Laser Excited Phosphor — passing a blue laser through bed of phosphor and using the white light created by the excited phosphor Extremely efficient — 14W power draw that uses less than 1.5A current draw. You can use a smaller battery for long burn times. 5 hours burn time on our 32W VF LED requires a 15.6aH battery, 5 hours on the LML using a 5.2aH battery 4 degrees spot 7000K color temperature Will work on any of our previous batteries. Available with E/O