Grow better, stronger plants with the Feit Electric blue spectrum dual 2 ft LED grow light. Rated for high humidity, it's ideal for all phases of indoor plant growth and is suitable for soil or hydroponic gardens. Our grow lamps emit more light in the useful 450 nm blue spectrum than regular white LED bulbs and emits spectrum wavelengths and color for better photosynthetic response. Instant full brightness lamps are integrated directly into the fixture so there are no lamps to replace. Linkable up to eight fixtures and lightweight, they Includes 5 ft plug in cord and a 6 in hanging wire harness. Our blue spectrum dual LED grow lights offer low heat emission and low energy consumption, produce even light distribution and have an average life of 25,000 hrs/22.8 years. Choose a no humming, dependable general purpose grow lighting fixture for your growing needs.