Features:- 25 lamp beads for high brightness LED material
- USB rechargeable， enable to last for about 6 hours
- Bicycle front and rear light， easy to install and use
- Water resistant， damp proof and splash proof
- Quick release rubber strap for handlebar or seat post mount ( fit 12 - 34mm )
- With fully charged indicator and automatic fully charged cut-off system
- 6 modes: weak light， standard light， strong light， weak light slow flash， strong light slow flash， flash explosion
- Battery: rechargeable lithium polymer battery ( 3.7V 500mAh ) 0.075 Package weight: 0.107 kg
Product Size(L x W x H): 8.50 x 2.10 x 1.50 cm / 3.35 x 0.83 x 0.59 inches
Package Size(L x W x H): 11.00 x 10.80 x 3.20 cm / 4.33 x 4.25 x 1.26 inches Package Contents: 1 x COB High-brightness LED Headlight， 1 x USB Cable， 1 x English User Manual， 1 x Quick Release Mount