I have 6 flex cables. These lights are flex. Although they look good, they have lagged behind their other products. Flashlight batteries fall out of their sockets easily on impact. If something is placed on or bumped into the headlights, the headlights will turn on (common occurrence). There is no automatic shut-off light. So if it's left on or gets hit, the light will stay on until the batteries die. Flex needs to test and reverse engineer them in the real world.