... B/YLED chipCree, Edison, EpistarLED Qty: 3LEDs*1WOperation current: 280~320mA Lifespan: >30000HoursWork environment temperature: -40 ... use, applicable for dry environment CRI: >75Over current protectionReversed polarity protection Light source: 3W(3PCSx1W) LED lamp base: ... No mercury, no ballast required, wide voltage and constant current design6. Solid state, high shock & vibration resistant7. Mercury ...