LED Bike Spoke Light,Shows Riding Time 40 Light Patterns,Such As: HELLOW ,TIME ,GO,GO ,I LOVE U , ... and some Expression LED Bike Spoke Light1,Press Gray Button To Turn "ON"2 ... Wheel Has Stopped.4.The Final Light Will Turn Off Completely In Approximately 3 Minutess After The Wheel ... .Features:1.Waterproof2.14 Blue Led Lights3.Install On The Front Wheel Or Back Wheel4.40 Design ...