Tri-Directional LED Panel Design for Full Spectrum Grow Lights: LPMZMBL Full Spectrum Plant Grow Lights equipped with 392 LEDs, white light (6500k), warm white light (3000k) and red white (660nm), mimic the natural sunlight, ultra-thin grow light panel covers 24"x6" and height adjustable, which is lightweight and has great heat dissipation, tri-directional LED panel design can provide a wider range of light coverage maximize photosynthesis for all growth stages, using 40% less energy than traditional grow lights (50,000+ hours lifespan). Grow Lights for Seed Starting with Smart 4/8/12H Auto Timer: This standing grow lights features a circular memory timer with 4/8/12 hours. It automatically turns on and off, eliminating the need for daily manual operation. No need to unplug/re-plug. It will take good care of your plants daily. You don't need to worry about your plant's growth lighting needs when on a business trip or vacation.