Get your gardening year off to a headstart. The T5 lamp provides a full spectrum of light, ensuring that adequate photosynthesis takes place for healthy plants. Our sturdy, energy-efficient system now comes in two sizes: 24" and 48". Each setup includes a sturdy metal stand, light fixture and one full-spectrum fluorescent bulb. Light source can be adjusted from 4" to 30" to keep the bulb at the optimal distance from the plants. Easy to assemble.