3 Light Mode 7 blue + 13 red LED combination. Full blue (420-440nm) supports germination by promoting the synthesis of chlorophyll, which has a positive effect on the color of plants. Full red (620-660nm) improves photosynthesis, promotes germination, flowering and fruiting. 2:1 ratio of red to blue: It can complement a more effective light and make plants healthy and prosperous. 10 Dimming Levels10 dimming levels (10%-100%) to perform, it can also through long prcan be adjusted. According to the needs of the plants, the combination of different lighting modes can effectively supplement the lack of natural light. 3 Timer Mode The plant growth light has three timing modes (3H / 9H / 12H), which can be adjusted according to your needs of plants can be selected. There is a cycle timer function, it will automatically light up at the same time every day. Easy to InstallWith 360 gooseneck, angle and distance can be adjusted freely, metal clip and USB plug make the choice the installation position more freely. (With plug adapter) Suitable for indoor plants, offices, balconies and gardens. Heat dissipation design The lamp body is made of heat conductive material, aviation aluminum, and the fin-shaped shape of the heat sink increases the heat dissipation area. It not only improves heat dissipation efficiency, but also helps extend the life of the grow light.