Full Spectrum Grow LightOur led grow lights is similar to natural sunlight, provides uniform light for your plants. 4PCS LED grow light features 540 LEDs that 236 coldwhite leds, 192 warmwhite leds and 48 red leds, and over 50000 hours lifetime. High PAR output ensures optimal growth for all plants at every stage. Memory Timer FunctionPlant grow light features a circular memory timer function. It automatically turns on/off when supplied with uninterrupted power. Can be set to 4h, 8h, or 12 hours according to your plants' needs, and will automatically turn on and off at the same time the next day. Replicating the natural growth environment for your plants. Even when you're away on a business trip or vacation can also ensuring uninterrupted plant development. 10 Dimmable LevelsPlant grow lights has 10 levels of dimmable options that 10%, 20%, 30%, 40%, 50%, 60%, 70%, 80%, 90%, 100%, suitable for every cycle of plant growth. Flexible 3 switch modes enable yo