20LED 18 Patterns Bicycle Spoke Wheel Light Waterproof Mountain Bike Cycling String Wire Lamp
Use instructions:

7 colors, short press to turn it on and select color;

At always on mode, long press 2 seconds to shut down in any light mode;

Long press 2 seconds to enter the pattern mode in shutdown mode, and 18 patterns will automatically change in cycle.

Specifications:
Body size: about 75x50x40mm/2.95x1.97x1.57"
Body net weight: about 67g
Main material: ABS+ steel wire (4-strand light filament)
Number of LEDs: 20
Power supply mode: 3 x AA battery (not included)
Host color: black
Waterproof rating: IP66
Life time: always bright 15H flashing 30H
String length: 2m
Lighting modes: red / blue / green / pink / yellow / light blue / white / colorful cycle / long press for 18 patterns change
Light color: red / blue / green / pink / yellow / light blue / white

Package Content:
1 x Bicycle Spoke Wheel Light
4 x Straps
1 x Pack of Accessories