... led bike light, led bike lighting, led bicycle light, bicycle light set, bike lamp, bike lighting 5 led bicycle tail light, led bicycle back light,flash bike rear light 5 LED Multi-functional Bike Light ... with Mounting AccessoriesUnit Size: 7.2cm by length, 4.2cm by middle width;With 5 ultra bright red ... to right7th push of switch: each LED flashes back and forth in slow ...