1. Self - watering Feature: The tray self - waters, ensuring stable moisture for seeds and reducing manual watering, ideal for growth. 2. Adjustable Grow Light: The grow light's brightness can be adjusted to meet different seeds' light needs at various growth stages. 3. Timing Controller: The kit's timing controller enables precise setting of watering and lighting times for an efficient seed - starting process. 4. Thick Trays and Humidity Domes: Thick, durable trays with humidity domes create a micro - environment good for germination and early growth. 5. Heightened Lids: These lids provide more space for air circulation and temperature regulation, like a greenhouse.