1. High efficiency 70lm/W 2. 5 year lifespan 3. Super-thin and light, 19mm and 0.76Kg 4. Conforming to CE, ROHS Features:High efficiency 70lm/W, low lumen decline Special circuit design, each group of LEDs work separately, avoiding any problem caused or influenced by single faulty LEDNew high efficiency constant current driver, Instant start, no flicker, no humming 5 year lifespanSuper-thin and ...