... light guide plate, heighten the luminous intensity.3. Illuminant: low power SMD LED.4. Heat dissipation: two sides and back plate ... widely. The light is soft, appearance is exquisite, no pollution, energy saving, environmental protection, low luminous decay, long life time.Features:1 ... one of the biggest manufacturers of LED products in China. Energy Saving LED-Panel White Frame 60x60 40W CE, RoHS, UL, ...