1. 10W, 20W, 30W, 50W, 70W, 100W, 120W, 150W, 200W, 250W, 300W, 400W, 500W are available. 2. High efficiency & energy saving. Under the condition of the same llumination, it saves more than 70% energy compared with the traditional lamp. 3. Long life span, using semiconductor chip as the light resource, the life can be over 30,000hrs. 4.
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