Prices for low-power (0.2W) UV-C LED devices have dropped from US$7-8 in 2016 to US$2-3 currently due to improved yield rates thanks to technological improvements...
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Prices for low-power (0.2W) UV-C LED devices have dropped from US$7-8 in 2016 to US$2-3 currently due to improved yield rates thanks to technological improvements...