KKmoon LED Grow Light for Indoor Plants 4-Head Red & Blue LEDs Auto On & Off with 3/ 9/ 12H Timer 3 Light Modes 9 Brightness Levels Clip-On USB Desk Plant Growing Lamps for Plants Seedlings Flowers Fruits

Features:
Single-head, dual-head, 3-head or 4-head grow light for option. High-quality LED, long lifespan. Adjustable clip, clamp on anywhere stable.
Blue and red spectrum which supplies the most efficient wavelength to enhance photosynthesis performance.
Timing switch, 3H/ 9H/ 12H timer set, 3 light modes, 9 adjustable levels of brightness.
Circular memory function, in the case of uninterrupted power, you can set it up to turn off after 3H/ 9H/ 12H. It will automatically turn on every day according to the time you set.
360 flexible gooseneck that can easily adjust the angle and distance between light and plants.
Note: The USB port of Single-Head and Dual-Head can be connected to laptop, power bank, power adapter, etc. But the USB port of 3-Head and 4-Head should be connected to power adapter with larger power (recommend 5V 3A).