SP Series LEDs: The SP series LED grow lights are the ideal choice for greenhouse growers. These lights feature a high number of chips on a single LED bar and thick finned heat sinks for superior light penetration and a high red light ratio, while remaining cool to the touch. With a dimming function, the SP series allows growers to adjust the dynamic DLI of indoor plants, ensuring optimal growth. Efficient chips, rapid heat dissipation, high light penetration, LED grow lights for greenhouses