Light Source: white LED 1 pcs.
Luminous flux: 100 Lumens
Light intensity:center: 1000CD, surround: 800CD
Dynamo Headlight Power: 4.8V*1.2W
Safe Design: Reflector and clear cut-off line(will not affect the opposite coming bike).
Lighting range is wide.
High brightness with low riding speed, even walking speed.
Easy to mounte

Package Contents:
1 x Y-SD Dynamo bike light
1 x zinc plated bracket ((Max inner diameter about 1.65 inch. It is easy to mounte on the front fork of mountain bike)
1 x rubber block (To avoid hurting front fork when zinc plated bracket is mounted.)
1 x cotton cap
1 x User Manual