Stay safe on the road with this Bicycle Tail Indicator Light Intelligent warning induction bicycle tail lamp  Helps to indicate around corners on busy roads Only takes about 3.5 hours to gain a full charge Built-in 1200mAh polymer battery Dimensions (approx): 71 x 58 x 30mm LED bulb quantity: 64pcs Material: ABS Indicate well with this Bicycle Tail Indicator Light for 11.99 pounds