Features: - This kind of light has 3W super bright LED 120 lumen， enable you to see the way ahead
- Fixed frame， easy to installation and detachment
- Water resistant， can be used in rainy day
- Ten thousand times of switch brings you durability
- Superb aluminum alloy material can prevent successfully oxidation and corrosion
- 3 modes: high brightness， low brightness， flash
- Battery: 3 x AAA battery or 1 x 18650 battery ( a battery transfer groove included ， and battery not included in package ) Mounting Placement: Frame，Handlebar，Seatpost
Power Supply: Battery Package weight: 0.230 kg
Product Size(L x W x H): 10.90 x 2.50 x 7.00 cm / 4.29 x 0.98 x 2.76 inches
Package Size(L x W x H): 18.50 x 12.50 x 5.50 cm / 7.28 x 4.92 x 2.17 inches Package Contents: 1 x Light， 1 x Battery Transfer Groove