... years warranty 15W down light led,led down light Model NoYLL-DL4SMD15XS1LED QUANTITY 180PCSLED Brand EpistarBeam angle 120 ... % less energy.2. No RF interference, no buzzing noise, no UV radiation.3. No fluorescent flickering.4. No hazard of mercury or ... vibration resistant8. Adopting low- pressure constant current power supply, no glare, it indeed achieves soft luminescence, stabilization, continuity, ...