... RX-ALF5050-Dxx ceiling lamp dedicated LED panel , using the world's top light efficiency LED, Waterproof, low temperature rise, long ... of circular fluorescent, energy-saving 50%.Features:1.True high-efficiency, replacement T5 T6 circular fluorescent,50% energy saving2 ... Full aluminum heat dissipation, low temperature rise, the strict high and low temperature experiments, higher reliability6.Long life: ≥ ...