About this item Full Spectrum LED with Yellow and White Combination: This plant grow light can promote photosynthesis, germination, growth, flowering and fruiting of plants. Auto Turn on/off Timer Function: Set up once, the plant grow light will turn on and turn off automatically at the same time every day for 3/9/12 hours. 10 Dimmable Modes & 3 Switch Modes: 3 Switch modes and 10 dimmable modes meet photosynthesis needs of plant germination, bloom, and fruit-bearing at different stages and seasons. Strong and Stable: The metal gooseneck is strong enough, with a non-slip mat design, which can fix the lamp well and make the grow light stand. Widely Used and Visible Quality: Our grow light is suitable for indoor potted plants or an indoor garden. The lamp have a USB connector and tested for a lifetime of up to 50,000 hours.