... like neon,it can work in nights and days,especially dazzling in dark enviroment.2.Easy to use ... 100000hs lifespan.5.Varities of flash mode.With 16 kinds of flash mode,the form of ... .For advertising especially for promote new items in restaurants,dressingshops,bars,clubs,theater,mesume,book ... commercial centers,night market etc.2.For notice in school,companies,classroom,metrostation,resident place etc. ...