Full Spectrum Plant Lights: With 20 full spectrum led bulbs on each annular light, which have 30% higher illuminance than lamp bulb.Automatic Circulation Timing Switch: You can set it up a 24-hour on & off cycle since there is an 8h/12h/16h automatic circulation timing switch on the USB charging line IP20 waterproof grade, can prevent ordinary life waterproof. Using high-brightness LED integrated chip, good heat dissipation, high brightness, longer life 3.5V USB input,It can be used with laptops, mobile supplies, and 5V adapters, which is more convenient to useEasy to Use: Just stick end of acrylic supporter to the hole on the light and stick another end into the plant pot. After connecting the supply and choosing the illumination time, your potted plants will get a cute angel halo to accompany them to grow up. (Tip: The light should be about 2.4 inches from the top of plant)Function: Use a variety of plants to distribute the light spectrum to provide energy for plant growth and increase the output of customers' plants,It can provide strong and uniform intensity of light to plants. Scientific spectral ratios of our full spectrum plants growth light can replace sunlight, promote plant germination, flowering, fruiting, improve the color of succulent plants and increase plant yield.Luminous flux: 301lmLuminous color: 4000k sunlight: 6.2W-on : USB-5VNumber of lamp beads: 20 LEDWaterproof rating: IP20colour:WhiteMaterial:ABS+PCPackage Contents:1 x annular plant growth lights1 x acrylic supportersOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.