... Appearance Patent owned-- 2 Aluminum heatsink--long lifespan 3 Lux: 600 LM/ 40 CM--high brightness 4 Eye-protection 2013 best ... experience .2. Aluminum heatsink--long lifespan: 30,000 hrs3 Lux: 600 LM/ 40 CM--high brightness4. CE, RoHS, FCC, SAA, approved ... Transparent PC ,opposite spray paint ,easy to clean .12 Cool temperature adjustable ,warm in winter and white in summer . modern led ...