This LED grow light strips is to assit your plants to absord much more energy of chlorophyll synthesis, to help them to germinate. Also sunlike light contributes to effectively enhances the photosynthesis of your plants, in germination, flowering, better results. Feature Material: PCB board. Size S: About 100×1×1cm/39.3×0.39×0.39inch. Size M: About 200×1×1cm/78.6×0.39×0.39 inch. Size L: About 300×1×1cm/117.9×0.39×0.39 inch. Input Voltage: DC 5V. Power: 5w. IP Rate : IP33. LED Type: SMD 2835. LED Quantity: 60LED/m. Powered by USB port, it is convenient to use. The plant light will promote photosynthesis, accelerate sprouting, bloom, fruiting. Great for florist, gardener, the person who cultivate the vegetables and various flower. Suitable for plant tissue culture, vegetable cultivation, horticulture and industrial seedling, indoor plants, garden flowers, aquarium hydroponic plant. Optimum for all stages of plant growth.