Neon Lights Tyre Wheel Valve Cap Light LED

Specifications:   Power Supply: Battery Powered By: 3 x AG10 Batteries Size ： 5.8cm   Overview:   · Can be used as decoration for bikes, motors or cars. · Blue LED light increases visibility in the dark or bad weather. · Easy installation, no special tools needed, can be easily installed and removed. · No ON/OFF button, bright LED turns on while the wheel or tyre is rotating and turns off when it stops. · Compatible with valve stem which is up to English standard or American standard, easy operation, just simply screwing on the tire valve stem  and installation is over. · Tunes in blue, green or Pink, but LED light all in blue.