The 3-Pack 120 Cells Seed Starter Tray with LED Grow Lights is a professional seed germination kit featuring three trays with a total of 120 planting cells. Each tray includes a transparent humidity dome with built-in LED grow lights that provide the optimal light spectrum for healthy indoor seedling development. Adjustable ventilation vents allow precise control of humidity and temperature, creating an ideal environment for successful germination. Perfect for hydroponics, home gardening, nurseries, and agricultural or environmental projects requiring controlled growing conditions.