... 3 years 2.Long lifetime:50,000 hours 3.High efficiency,competitive price 4.ROHS and CE Specification: Input ... lifespan 50,000hoursHousing MaterialAluminum Alloy+PCWorking EnvironmentIndoorFeatures of the led panel lights:1. Instant start, no flickering.2. No hazardous ... safety.6. Long lifespan >35000hours.Applications of the led panel lights:Popular applied for the office, school, hotel, shopping ...