TOS Bicycle 2 Laser 5 LEDs 7 Modes Rear Light This little laser beam tail light will ensure your safety while riding in the darkness. It has 5 LEDs and 2 laser bulbs. The LED and the laser work independently.Red Led, red dots laser. 7 kinds of flash mode: Always bright, flash, slow flash, left to right, right to left and left to right slow flash, flash, flash back and forth Waterproof, safer in water fog when riding in the rain Use for jogging, walking, bicycles, car emergency,camping, ETC. Powered by: 2 AAA batteries ( NOT included)