T5 4pcs Led Grow Light

How does the LED grow light work? Red LEDs:
48pcs red LEDs with wavelength 630-680nm, it is essential to a plant early life for seed germination, root growth and bulb development. It also makes the plant get better results in flowering. Blue LEDs:
16pcs red LEDs with a wavelength of 460nm, is more necessary for chlorophyll, good for photosynthesis, best for promoting stem and leaf. Properties:
4 dimmable modes: 25%, 50%, 75%, and 100% brightness.
Timing function: five options for setting the time to switch on / off,
Hours, 3 hours, 6 hours, 12 hours as required.
Extra extension cords: include 3 extension cords, allow you to extend the distance between one plant light and another
Double installation: Double sided tape (118 inch) + cable ties (12 pieces) Specifications:
Plug: US Plug
Actual power ： 23.7 W
Input voltage: AC100V ~ AC240V
LED quantity: 16x4pcs (64 pieces)
Material: aluminum, plastic
Red: blue = 3: 1
Wavelength:
Red: 660nm
Blue: 460nm
Viewing angle: 120 °
Lumen output: 350LM
Lifetime: 50000 hours
Certification: RoHS CE Package include:
4 x LED grow light （each light about 15.74 inches）
3 x extension cord （each cord about 59 inch）
1x manual
1x timer
1x double-sided tape (118 inch) 12x cable ties Please allow slight measurement errors.

Returns Accepted for this item if it's within 14 Days