Description: EFFICIENT RED/BLUE LED COMBINATION: This LED lamp has grow lights made up of 84 efficient growing LEDs. 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. 6 DIMMABLE MODES and 4 SWITCH MODES: grow lamps provides 6 dimmable modes and 4 spectrum modes to suit varied stages of plant growth. It adjusts to levels of 10%, 20%, 40%, 60%, 80%, and 100% light intensity and has 4 spectral modes (full spectrum, 2 heads red and 2 heads full spectrum, blue, blue and mixed light) to meet different stages of plant-growing needs. ADJUSTABLE TRIPOD STAND: Adjustable tripod stand can extendable from 27 inches to 67 inches, it is easier to adapt to the height of the plant. TIMER FUNCTION: With an automatic timing function, set 3/6/12 hours auto on/off once and it will turn on/off automatically every day. Widely Use: suitable for the culture solution, gardening, greenhouses, family fruits and vegetables, potted plants, flower show, succulent, potted plants, especially when the plant needs extra light when dark indoor,etc. Specification: US Plug Material: PC, Aluminum Length: 70-157cm/37-62inch Gooseneck Length: 28.5cm/11.2 inch Led Grow Light Length: 10.4inch LED Light Efficiency:4 head/20 W LED Quantity:84pcs Light Wavelength:Red:660nm; Blue:450-460nm; full spectrum: 400-700nm Package Includes: 1 Piece LED Grow Light Note: Please allow 0.1-0.5 inch difference due to manual measurement.(1 inch=2.54cm) Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand,Thank you.