5 red super bright LED lamps, safe and with environmental protection.

7 different light modes, suitable for various requirements.

Can be mounted on the back of your bike, easy installation.

Perfect tool to drive at night.

7 modes: Press once: 5 lights long bright Press twice: 5 lights flashing Press three times: 5 lights flash jumping Press four times: 5 lights flashing from left to right Press five lights flashing from right to left Press six times: 5 lights flashing fast from left to right Press seven times: five lights flashing from left to right and right to left Press eight: close Features: led quantity: 5pcs led working life: 10,0000 hours Fixing ring diameter: 2.5cm Battery: 2 * AA battery (batteries not included) Size: 6*4.5cm Package list: 1x Red bike backlight 1x Fixed support