... Temperature -40~70°C Advantages1. High quality, competitive and factory price2. Low power consumption, High power efficiency3. ... Brightness, compared to conventional fluorescents save more than 80% energy 4. Life span up to 35,000hrs5. CE, ... UL, ROHS Certificate 6. Easy to stall7. Warranty time: one year LED ... , Schools, Factories 5. Any other indoor places Energy saving Down Light