Open the top body by pressing the button on the back.
Carefully install batteries, insuring proper polarity.
For best performance, do not mix the new and old batteries.
Mounting the lamp by the screw.
If the lamp cannot be fixed, insert the rubber pad.

Features:
1 17W LED Super Bright Bicycle Light, LED buld 100000 hours
2 different models: light->flashing
Tool free for install.

Material : matal flashlight, plastic clip
Color : Black, but the flashlight head drum circle is multi-color :blue, green, red, golden
Length : 110mm
Diameter of front : 35mm
Diameter of tail : 25mm

Package included
1 x Flashlight
1 x Clip
3 x AAA betterires

Package weight :175g
Package size:120*145*35mm