LED sign can display time, date, temperature, humidity, numeral, etc. It can be divided into PH10, PH14, PH16, PH20, PH25, PH31.25 or other according to its size and viewing distance. Controlled by remote control and PC, LED sign is visiable during daylight. By adopting high bright LED light source, it is featured with low consumption, long lifespan, maintenance free, easy installation, and wide view angle. Moreover, with driving mode of distributed scan of constant current and module design, LED sign will run stablly and reliablly. Additionally, plastic frame is used by LED sign, which provides rigidity and lightweight. Nowadays, for outdoor and indoor applications, LED sign can be seen in a great variety of places, such as roads, sports ground, plazas, retail outlets, banks, hospitals, churches, schools, post offices, restaurants, hotels, bus stations, train stations, airports, government buildings, residential quarters, etc.