[3/9/12H CYCLE TIMER] Our Grow Light is the latest plant growth light with auto timing function and USB plug (comes with power adapter). Not only can you set it to light every 3 hours, 9 hours, or 12 hours, but you can also adjust the brightness of the light and the distance between the light and the plants, depending on the plants' needs. > [80 HIGH QUALITY LEDS] This LED grow light has grow lights consisting of 80 efficient grow LEDs (52 red and 28 blue). It responds to plant growing conditions without sun. Red light promotes photosynthesis, germination, flowering and fruiting. Blue light ensures plants absorb more energy through chlorophyll synthesis to aid in germination. [3 Modes10 Brightness] Our grow light offers 10 dimmable and 3 light modes spectrum to accommodate different stages of plant growth. It has 10 levels of light intensity and 3 spectral modes (red, blue and mixed light) to meet different stages of plant growth needs. [DESIGN DETAILS] The LED grow lights have a USB connector that makes it easy to connect in your office or home to a USB or AC power outlet (adapter included). The 4-head lamp has a 360 degree flexible gooseneck made from quality tubing to keep a fixed position. The metal clamp allows the lamp to be placed anywhere in your home or office. [USE WIDELY] Our grow light is suitable for indoor potted plants or an indoor garden . It accelerates the growth of various types of plants at each stage of development.