Features:
1. Composed of 7 RGB highlight LEDs; 30 kinds of patterns;
2. Directly install it on the bicycle valve stem, universally fit;
3. Automatically full-color pattern changing, change once every 4 seconds;
4. Double sensing modes, only when at night and in riding, will it flash, power saving design;
5. Automatic light with no switch, 100% waterproof design;
6. Powered by 3 x LR44 batteries, can be used continuously for more than 12 hours;

Specifications:
Product size: 15 x 99mm/0.59 x 3.90" (diameter x length)
Material: metal
LED number: 7
Power supply: 3 x LR44 batteries (battery included)

Package Content:
1 x LED Bicycle Wheel Tire Valve Stem Light