Features: - Fixed by rubber strap buckle， easy to install and remove
- Ideal for car emergency， camping， riding， etc.
- 7 kinds of flashing modes to meet your different needs
- 2 laser lights around you to ensure your safety
- 5 high quality LED lamps， bright and longlife
- Working time: 9 - 36 hours
- Power: 2 x AAA battery ( not included ) Mounting Placement: Seatpost
Power Supply: Battery Package weight: 0.096 kg
Product Size(L x W x H): 7.60 x 6.80 x 3.40 cm / 2.99 x 2.68 x 1.34 inches
Package Size(L x W x H): 12.10 x 7.00 x 3.50 cm / 4.76 x 2.76 x 1.38 inches Package Contents: 1 x Bicycle Laser Tail Light， 1 x Bicycle Mount