Efficient Red / Blue LED Combination30W 60LEDs Provide the most common spectrum of light to fuel indoor plant growth. Whether in the indoor garden or commercial greenhouse， grow lights keep plants healthy and thriving.5 Dimmable Modes and 3 Switch Modes: 3-head plant light， with 3 switch modes and 5 dimmable options， it is ideal for all types of indoor plants at all stages of growth.Automatic power on and off Enhanced timing function. This is the latest plug in grow lamp USB sync function， it can not only be set for 3 hours / 9 hours / 12 hours lighting， but also adjust the brightness of the light and the distance between the light and the plant according to the needs of the plant.Flexible Gooseneck Sturdy Clamp - The LED lamp lights have a USB connector which makes it convenient to connect in your office or home to USB or AC power plug. The 360 degree swivel necks allow you to perfectly position the lights around a single plant or grow more plants at the same time.