Seed starter trays with timed grow lights. These seed starter trays with grow lights allow you to artificially control the quality, intensity, and light cycle of the light, ensuring your plants are always in the best growing environment and improving their quality. Adjustable humidity design. Seedling tray with adjustable humidity dome (2-in-1 circular ventilation for humidity and grow light). The adjustable vents on these seed trays allow you to regulate the temperature and humidity of the seedling environment to suit different stages of seedling growth. Keep growth under control. Our high-quality, clear plastic dome seedling starter tray makes it easy to observe plant growth without having to remove the seedlings from the tray. With a drainage hole design. Each seed tray has 12 cells, and each cell has a drainage hole at the bottom. The holes in the cell tray allow excess water to drain away, preventing root rot. The package includes 5 germination trays (with grow light and LED plant switch), 5 airtight base trays, 5 humidity domes, 10 plant labels and 2 planting tools (essential for seedlings)