CHANGE AUTOMATICALLY. When you are riding, 15 kinds of different graphics change once every 3 seconds.
CAN BE INSTALLED EASILY. Install or remove this led bike valve stem lights without any tools only need several seconds
WATERPROOF. IP55 waterproof,you don''t need to worry about riding in rainy day
INDUCTIVE SWITCH. Dual control of vibration and light sense.Lights will be turned on if it is dark/at night or it will be turned on when the bike moves.It will automatic extinguish after 48 seconds when don''t move.It won''t light on under the sun during the day.You can unscrew the battery cover to extinguish if it lights on when lights are low.
UNIVERSAL VALVE PORT. Use 2 in 1 interface design, whether the valve of your bike is American or French style, whether your bike is mountain bike, road bike or ordinary bike, this valve stem lights can be perfectly matched.

Technical Details

Product Details

Package Dimensions
Width : 4.45 inch
Height : 1.6 inch
Length : 5.95 inch

Shipping Weight: 3.68 ounce (View shipping rates and policies)

ASIN : B01N51XBDB