Item Name: 1W 660NM SMD LED
Model Number: GY-3535DR-660-G42
Input Current: 350mA
Power: 1W
Input Voltage: 2-2.4VDC
LED package type: 3535 ceramic
Chips brand: Germany Osram
Chip size: 40*40mil
Color: 650-660nm
Red Light Spectrum to plant growth(600–700 nm)
Red light is known to be the most effective light spectrum to encourage photosynthesis as it’s highly absorbed by chlorophyll pigments. In other words, it sits in the peaks in chlorophyll absorption. Red light wavelengths (particularly around 660nm) encourage stem, leaf, and general vegetative growth – but most commonly, tall, stretching of leaves and flowers.
A balanced pairing with blue light is necessary to counteract any overstretching, like disfigured stem elongation. It’s important to consider that while red is the most responsive light spectrum for plants, its efficacy really steps in when in combination with other PAR wavelengths.
Far-red Light Spectrum to plant growth (700–850 nm)
There are a few ways far-red can affect plant growth – one is to initiate a shade-avoidance response. At around 660nm (deep red) a plant senses bright sunlight exposure. From 730nm and beyond – i.e. a higher ratio of far-red to red light, a plant will detect light “shade” from another plant or leaves higher up the canopy, so stretching of stems and leaves occurs.
Far-red can be very useful to promote flowering, and in certain plants, increase fruit yield (6). In short-day plants like Cannabis, which rely on longer periods of darkness, 730nm can be used at the end of a light cycle to promote flowering. Many growers are experimenting with interrupting the dark cycle with bursts of red light to boost growth and flowering.
GMKJ now newly present our 1-3W 3535 SMD LED with Osram Chips.
It comes with Eff(PPF): 3.07μmol/s/W at 1W 350mA.
This efficiency value can max help the plant grow faster.
The SMD LEDs are packed with ceramic LED base.
3535 Red 660nm LED picture:
Package dimensions:
Plant growth applications:
About GMKJ:
GMKJ was established in 2010 with a registered capital of 67.23 million yuan, is one of a leading semiconductor light-emitting diode enterprises in China. Our company focus on R&D and innovation continuely, now it owns more than 70 patents for inventions and utility models, the products have passed international quality certifications such as CE,RoHS,EN62471,LM-80,etc
For more details, please contact with us directly!
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