Features: - With super bright 10 LEDs ( 6 LEDs on the front， 4 on both side ) with 80000mcd luminous intensity， effectively improve riding safety
- 8 lighting modes: Always on ( last 50 hours )， flash ( last 100 hours )， slow flash， left flash， right flash， fast left flash， flash back and front， off ( Press the button to change the modes )
- Water resistant， can be used in rainy day
- Quick release bracket， easy installation and detachment， no tools required
- Battery: 2 x AA batteries ( not included )
- Ideal for any bicycles， road bikes， etc. Mounting Placement: Seatpost Package weight: 0.109 kg
Product Size(L x W x H): 8.50 x 3.50 x 4.00 cm / 3.35 x 1.38 x 1.57 inches
Package Size(L x W x H): 17.70 x 10.20 x 5.00 cm / 6.97 x 4.02 x 1.97 inches Package Contents: 1 x Taillight， 1 x Bracket