About this item 1.[EFFICIENT RED/BLUE LED COMBINATION]: This led grow light is made up of 40 growing LEDs (26 Red LED & 14 Blue LED). Red light and Blue light are 2:1 which is the best proportion for most indoor plants, for example, tomato, succulent, vegetables, flowers and etc. 2.[AUTO CYCLE ON/OFF TIMER]: Fansteck full spectrum led grow light offers the circular memory timer function with 3 options-3h/9h/12h. When keeping power, it can automatically turn on and off every day according to your settings, no more manual operation. 3.[9 DIMMABLE BRIGHTNESS & 3 LIGHTING MODES]: Our grow lamp provides 9 dimmable modes and 3 spectrum modes to suit varied stages of plant growth. You can adjust the brightness and change Blue light, Red light, or Blue & Redlight according to different plant growth stages. 4 4.[UPDATED STRONG GOOSENECK & CLAMP]: We use updated high grade steel in the gooseneck, it will be much stronger, so when you adjust it, it will stay and wonҴ fall down. Also, we use updated reinforced spring, so the clamp wonҴ loose for a long time. 5.[18 MONTH WORRY-FREE SERVICE]: We hope to make our client 100% satisfied with us. If you are not satisfied with our indoor plant light, please kindly reach us by click "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. We will offer a satisfactory solution for you.