Sun System LEC 315 Light Fixtures utilize Light Emitting Ceramic technology. Features 98% reflective German aluminum for excellent output, diffusion and uniformity. Includes a lamp engineered for gardeners -- Philips CDM-T Elite 315 Agro Lamp. Greatly improved! This product emits higher amounts of beneficial UV and far red spectrums to increase growth power to the plants. Very high 1.95 PPF (photosynthetic photon flux) per second light source.