Led 3 is a multi colour multi function circuit board, its can be used on scaffolding/ hoarding or for roadwork’s.
The selectable colours are Red/ White and amber, you can also select flashing amber, led 3 also has a built in dusk till dawn sensor.
Only for use with the 19ah battery.
Battery life will be up to 4 months with red or amber, 5 months with white and 18 months with flashing amber.

Take a look at the LED 3 instruction video: