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[Q:] LED What are the advantages?
[A:] ★ energy efficient one thousand hours only consumption of the degree of electricity (ordinary 60W incandescent 17-hour electricity consumption of 1 ordinary 10W energy saving lamp 100 hours of consumption of 1 kWh) ★ Long life emitting semiconductor chips, no filament , no glass bulb, afraid of shock, not broken, the service life of up to 50,000 hours (ordinary incandescent lamp life of 1000 hours, the life of the ordinary energy-saving lamps

[Q:] What is a LED?
[A:] LED (Light Emitting Diode), also known as light-emitting diodes, solid semiconductor chip as a light-emitting materials, and ends with a positive voltage, the carrier in the semiconductor compound, release excess energy photon fired to produce visible light.

[Q:] solar energy lamp is mainly used in places?
[A:] can be used in a window dressing for lawns, squares and parks and other occasions