SUNTOLE backlit diffusing LED bars used at the Shanghai Hongqiao Railway Station
At the Shanghai Hongqiao Railway Station, some light boxes use SUNTOLE backlit diffusing LED bars to replace constant voltage working LED bars. Because the LED has special voltage current characteristic, constant-current working LED bar will be more stable and durable than the constant voltage working LED bar. And the constant-current working LED bar is more energy-efficient and save a lot of maintenance charges. SUNTOLE twice diffusing design and unique super-wide-angle len ensure the LED to illuminate brightly and symmetrically.
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