About this item Auto ON/OFF Timer Function -- the circular memory timer function allows to automatically turn On/Off every day according to your settings. In ONE 24 hour cycle each color has a different time cycle. Which Requires NO NEED MANUAL OPERATION. 3 Lighting Modes & 10 Levels Brightness - 1-Purple Light, 2-Sunlike Light , 3-Mixed Light, infinite close to natural light, best for plants at all growing stages. Also it support you to adjust the brightness within 10%-100% by operating the remote attached. 360𠇯oseneck & Strong Clamp - the flexible goosenecks can be rotated 360 degrees, which make it easier for you to adjust the angle between the seeding light and plants. Powered by USB or AC Power Plug (power adapter included ),very convenient to use at home or in the office. Professional Full Spectrum Light - dual head design not only solved the trouble of setup and inflexibility of traditional hanging growing lamp but also expand the illumination area than other succulents growth light, achieve 360-degree coverage of plants. Widely Used - the artificail lights is suitable for balconies, greenhouses, darkroom, office and so on, widely apply family balcony seeding/breeding, gardening, flower show, potted plants.