1, energy saving: LED light source efficiency has now reached 110-120lm / W, the overall efficiency of LED lights than high-pressure sodium lamp; high-power LED light source with high efficiency power supply, the actual lighting effect tested by the current road using high pressure sodium More than 60% energy saving, technological progress is still very large space. With the rapid improvement of LED efficiency, LED lights in energy-saving shows a great potential.
2, good color rendering: LED light color than the high pressure sodium lamp much higher, LED color rendering index is high (75 ~ 80), high pressure sodium color rendering index is only about 23, from the visual psychological point of view, to achieve the same brightness , LED lights, the average light can be reduced than the high pressure sodium lamp more than 20%. And the road looks brighter, feels more comfortable, the driver feels safer.
3, long lifetime: LED lights light decline, a year of light failure less than 3%, the use of 10 years still reach the road lighting requirements, and high pressure sodium light decline, about a year has fallen more than 30%, so , LED lights in the use of power design can be lower than the high pressure sodium lamp, and life is longer.
4,environmental protection: LED does not contain harmful metals such as mercury and other heavy metals, will not produce pollutants, unlike high pressure sodium lamp or metal halide lamp in the endanger the environment caused by harm.
5, low maintenance costs: the current level of technology and test results projections, high-power LED light source can be used normally for 10 years without replacement, and the traditional high-pressure sodium lamp will be replaced once a year and a half, the use of LED light source can greatly reduce maintenance costs The 6, color temperature optional: LED can meet the needs of different occasions on the color temperature. Indoor and outdoor color temperature requirements are different. Home lighting and commercial lighting is not the same, there are some stores need to use alternative LED white light to make their products more fashionable and refined. From the color to meet the shoppers' appetite. The high pressure sodium lamp color temperature is too low, people depressed and hypnotic mood, summer yellow may give people the feeling of heat.
7, high safety factor: LED lights are low-voltage products, of course, this is for the solar LED lights, 12V is enough, the mains of the LED lights or 220V voltage
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