Latest four-head grow lights: This 20W lamp consists of 264 LED beads. The main body material of the shell is made of aluminum material and a PC lens, a clip and four snake tube lamp caps. It has the advantages of high performance and low energy consumption. Its input voltage is 5V and its service life is up to 50000 hours, which can be connected to a computer, mobile power supply. 4 switching modes: Red-blue spectrum and full spectrum. You can freely choose a more suitable plant wavelength ratio to promote plant growth. Each tube has red light (22 pearls), blue light (11 pearls), and warm white light (33 pearls), which are available for the spectral needs of plants. Red light promotes germination and flowering of plants and blue light promotes plant growth. The full spectrum is for plant development on. 9 dimmable levels and adjustable 360 gooseneck: You can adjust the brightness of the grow light by pressing from L1 to L9 (it becomes brighter). The 360 degree lighting angle can enlarge the area of effective lighting, which makes it much easier for you to adjust the angle and distance between light and plants. Time function & Auto On / Off: The control has 4 buttons with 4 timer setting options that allow up to 3, 6, 9 or 12 hours, depending on the system requirements. Also has a two-way memory timing feature that is set up once and turns on and off automatically every day . Best Grow Lights for Indoor Plants: It is not only suitable for growing vegetables and lush growth, but also for flowering and fertile plants and herbs. Guarantee: : We give you a 2 year guarantee. If you have any questions during use, please contact us. We have always been here.