... up to 5 years;3. No infrared rays, no ultraviolet radiation, no thermal effect;4. Ultra slim and unlimited design and ... , no humming, no RF interferenceMain Applications of this dimmable led panel light:1. Hotel, shopping mall, office lighting2. Hospitals lighting3. ... professional manufacturer and exporter of led lightings, like dimmable led panel light, led grow light, led aquarium light, led street ...