About this item ふto on/off & Circular Memory Timer㠃omplying with UL153, yoyomax upgraded indoor plant lights offer 3 timing options - 3H/6H/12H to ensure your plants receive the proper amount of lighting at different stage. You don't have to turn on the light manually after you set up the circular-memory timer function. 㶠Dimmable Modes & 3 Switch Modes㠹oyomax table top lamps provide 6 dimmable modes and 3 spectrum modes to vary with stages of plant growth. The efficient 21 blue lights and 39 red lights help fuel plant growth indoors without sunlight. つjustable Goose Neck & Sturdy Clamp㔨e 3-head light has a 360-degree flexible gooseneck which is made from high quality tubing. You can freely adjust the angle of each light as needed while the metal clamp is sturdy enough to hold their position and easily to be clipped anywhere. 㗩dely Used㏵r LED sun lights are suitable for balconies, greenhouses, darkroom, office and so on, widely applied to the culture solution, gardening, potted plants, especially if the house plant needs extra light when itҳ raining, snowing, dark indoor, etc. Plants need sunlight to grow; if no sunlight, letҳ depend on yoyomax???? 㲴 Hours Online Service㔲ustworthy after-sales service with lifetime support. Your satisfaction is our main priority. You can contact our 24 hours customer service through clicking "Sold by" on the product detail page or your Amazon order page and you will be directed to "Ask a question" to send us a message.