... , ROHS power efficiency: >87% Working Temperature(°C) -40~+45Component part:Finish turning processed aluminium housing, PMMA optical lens, Epistar chip ... when power on , no noise, no UV, no strobe light;Adpot own-designed LED driver with high power factort;Low ... power on, long lifespan, no noise, no UV, no strobe light, no pollution;Lightguide material: Al-alloy shell, High thermal conductivity ...