UPGRADE 6 LED BICYCLE LIGHTS: Super bright 6 LED, for large area lighting, can illuminate 450m-650m, multiple LED bike lights provide stronger life and better lighting, super bright bike light can switch between high and low beams, or use at the same time, work together. You can adjust the mode according to your preference, bike lights front and back have two buttons, you can switch the mode with one click, flicker with two consecutive clicks, and turn off with a long press. 2 X 4 MODES & 2 X 6 MODES: Bike lights front and back can be used alone or in combination to suit your needs. Front light mode: high light, medium light, low light, flash. Rear light mode: high light, medium light, Low light, warning blinking, slow blinking, and fast.