Imported 4 different modes:1.red(quick flash) ,2.red(slow flash) ,3.neon-rotation mode,4.light off. Power supply mode button battery , shoelaces are on for about 60 hours, when the battery is exhausted, you can replace the battery with a new one. However, a special tool kit for unscrewing the battery box is required. Suitable for sneakers , casual shoes, sports shoes, running shoes, boots and skates etc. Easy to use.Press the white power button on the side for different light settings and also to turn off the power. Note: Before use, please remember to remove the insulating layer, because there is an insulating film between the two batteries. Be careful to tie the shoelaces with a little force, otherwise the LED wire inside will be torn, which will cause the light to not work