... hazard of mercury or lead entering the environment.5. Low power consumption, high intensity, low lumen attenuation.6. Recessed mounted, ... , high shock/ vibration resistant8. Adopting low- pressure constant current power supply, no glare, it indeed achieves soft luminescence, stabilization, continuity ... source.9. Milky glass cover or PC cover with transmission rate at 92%.10. Good quality and good heat ...