... No RF interference7. No mercury or other hazardous materials, accord with RoHS8. Working environment -20°C to 56°C, suitable ... climate9. Low maintenance costDescriptions1) With PC cover on the shell surface, can protect the lamp beads well and better lighting ... -shock, anti-moisture, no glare, no strobe light, protecting your eyes3) Imported light source, high brightness4) Instant on, no warm up ...