How many watts should a light bar have?
Light bars have a variety of options. Higher quality products can have fewer watts and put off more lumens. The lowest amount of watts for a standard light bar should be around 120 watts and a good one should be in the 240-300 range.
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PVISUNG LED GROW LIGHT
The volume after shrinking is only 30 %of the volume after stretching.
Less 31% weight and packing measure than others.
Stretch PPE is 2.893umolJ; shrink PPE is 3.01umolJ
Dual purpose : stretch and shrink
Hot and cold air self-circulation dissipation system.
LOWER at least 30% temperature than others.
Reduce LED's decay and keep high efficiency always.
ABOUT UV&IR
UV can increase THC…