Alritz LED Bike Wheel Hub Lights, Remote Control Bike Spoke Lights, 6 Colors 5 Modes, Rechargeable Bicycle Decoration Cycling Safety Lights, 2 Pack;

Specification:
Hub Diameter: 19-36mm
Power type: rechargeable Li-battery
Work time: up to 12 hours, depends on the lighting modes.
Lighting Colors: green, blue, yellow, pink, colorful, red
Lighting Modes: steady, swing flashing , slow flashing, fast flashing, circle flashing

Two ways of control:
1. Press the button on the hub light:
a) Long press to turn on/off
b) Single click to change mode
c) Double click to change color

2. Use the remote :
a) Before use the remote, please turn on the light first by pressing the button on the hub light.
b) You are able to change colors, and adjust light modes by press the buttons on the remote.
c) One remote can control light on both front hub and back hub. Please point the remote to the wheel light that you want to control

Package Contents:
2x bicycle wheel hub light
1x remote control
6x adhesive pads
2x USB charging cable
1x user manual

How to install the bike wheel light?
1. Unscrew the screw on the light and put on another side.
2. Make a preliminary measurement of the hub diameter, use an appropriate adhesive pad on the inner circle of the light.
3. Attach the light on the bike wheel hub.
4. Tighten the screw.
NOTE: If your hub is a little bigger, you don't need to use the adhesive pad, and you don't need to fully tighten the screw.