Grow Light, 30W Auto ON/Off Tri Head Timing LED Grow Lights for Indoor Plants with Red Blue Spectrum, Adjustable… Price: $18.99 (as of 20:16 EST- More info) & FREE Shipping.

EFFICIENT RED/BLUE LED COMBINATION – This LED lamp has grow lights made up of 60 efficient growing LEDs (39 red and 21 blue). It meets the conditions of plant growth without sunlight. The red light promotes photosynthesis, germination, bloom and fruit bearing. The blue light ensures the plants take in more energy through chlorophyll synthesis to help in germination. This professional grow lamp stimulates plant growth by multi-directional illumination.
TIMING FUNCTION – Our Grow Light is the latest in plant growth lamps with an automatic timing function and a USB plug (comes with AC adapter). Not only can you set it up for lighting every 3 hours, 6 hours, or 12 hours, but you can also adjust the brightness of the light and the distance between the light and plants, according to plants’ needs. Light intensity is perfect, won’t burn the plant if used properly.
5 DIMMABLE MODES & 3 SWITCH MODES – IUME’s grow lamps provides 5 dimmable modes and 3 spectrum modes to suit varied stages of plant growth. It adjusts to levels of 20%, 40%, 60%, 80%, and 100% light intensity and has 3 spectral modes (red, blue, and mixed light) to meet different stages of plant-growing needs.