The moon nebula rear light is one of moons brightest tail lights and it does really pack a punch the cob bright led ring makes for an eye catching and clearly visible display and youd have to be blind to miss it the light is rechargeable and youll never have to buy batteries for your light ever again reaching 100 battery the light with an automatic full charge cut off system will stop taking charge only taking 3 hours to fully charge the light is ideal if you are the daily commuter or e