Bicycle Light LED Safety Warning Light Mountain Bike Riding Equipment Bicycle Light Set Bicycle Tail Light

Suitable for diameter: headlight 3.2 cm diameter, tail light 2.5MM inner diameter 
Material: high quality engineering plastic + waterproof rubber gasket
Specifications: headlight 0*6.5*3.3 taillight 6.5*4
Instructions for use: One-button control switch on the back, and a clip (clip) on the back. It can be clipped on bicycles, belts or shoulders or backpacks, school bags and other personal items, and it plays a safety warning role to ensure personal safety.
The flash mode is: 
Click: 5 lights long
Second: 5 lights flashed quickly 
Third: 5 lights are slow and flashing
Fourth down - seventh down: 5 lights rolling flashing in different directions 
Eighth: Close