Description100% Brand new & high quality Easy to install and use .Supper bright red 5 LEDKeeping you safety in the darkness and early morning.7 modes Bike Rear Light， and the mode can be changed by press the button.Bicycle Tail Light comes with Rear light mount holder.Powered by 2 x AAA batteries (no Included).Item size: 105*18*33 mm(Approx)Package Include:1pcs x Bicycle Rear Light