... led all lights, with light output current 3.8A, the brightness 1400lm.3. Switch power indicator light explains:*The red light ... is low.*Yellow lights up,says voltage in 6.8V between 7.6V, half power.*Green ... Case used 6063#aluminum, CNC machining, anodic oxidation surface treatment.6. Used 4*18650 battery pack, capacity ... Fixed in front of the bike, as a lamp use. B. Elastic deck, suitable for various ...