Peace, mercy, and blessings of God be upon you. For sale: bicycle lights. Red rear light that works by charging with more than one mode: sequential, warning, and constant light. + Very strong front light with an information display screen showing battery percentage, distance traveled, and speed. There is also a speed sensor that measures the bike's speed up to 99km + a warning bell button with several loud tones, one of which can be selected. There are 4 white light modes: 1. Very strong white. 2. Less bright white. 3. Orange and warning red. 4. Orange.