【 & | 】- 39 red LEDs combined with 21 blue ones provide the most common spectrum of light to fuel indoor plants growth. Blue LED spectrum can help plant to germinate. Red LED spectrum promote plants germination, flowering, results. Whether in the indoor garden or commercial greenhouse, plants keep healthy and thriving. 【 / | - 】 - plant light offer the circular memory timer function with 3 options-3h/6h/12h. When keeping power, it can automatically turn on and off every day according your settings, no more manual operation for you. 【 | 】- 3-head plant light, with 3 switch modes and 6 dimmable options, is ideal for all kinds of your indoor plants at all growing stages. You are able to turn on/off each arm individually and change the light intensity, depending on the growth stage. 【 & 】- The lamp’s LED grow lights have a USB connector which makes it convenient to connect in your office or home to USB or AC power plug (includes adapter). Our 3-head light has a 360-degree flexible