Mars LED Grow Bar series is a flexible, 12V DC waterproof, no fans, aluminum casing, LED grow light. Utilizes mature high power SMD2016 chips (Epistar). Reflective material in the light increases light output and availability. You can use them separately or connect several lights together. It can be used to shelf hydroponic grows, H2O hydroponic grows. Greenhouse flower/vegetable grows, and supplement lighting for medical plants systems.