1).7 kinds of flash mode: This bicyle tail light has 7 flash modes(always bright--flash--slow flash--left to right--right to left and left to right slow flash--flash--flash back and forth).

2).2 laser lights remind someone else of keeping distance, add safety.This little laser beam tail light will ensure your safety while riding in the darkness.

3).Waterproof: This bicyle rear light come with waterproof design which will keep you safer in water fog when riding in the rain.

4).Mutil-use: You can use for jogging, walking, bicycles, car emergency, horse-riding, road emergency & camping, ETC.

5).Working time: 9-36 hours,.

6).Power source: 2 x AAA batteries