LED display
ed IC, stable performance, high reliability, can effectively guarantee that the information control and transmission. 2. Drive and control circuit board: In accordance with UL standards, with anti-corrosion, oxidation and other functions. 3. Screen power system: imported power, the power performance, small size, waveform stability and output rate, and voltage fluctuation value of small, constant current source required to achieve, and has automatic protection. 4. Light-emitting devices: the prod
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