How Much Would You Spend with Lamps in 14 Years?

The LED is expensive, (almost) everyone knows. Now you have no idea how much it can cost if you buy an LED now and just swap it for the next 14 years. Create an illustration to show the economy with consumption and maintenance of LED can compensate for the long term, compared with traditional technologies. Continue reading “How Much Would You Spend with Lamps in 14 Years?”