5pcs 5W 85-265V 25Red/5Blue LED Grow Light bar for Flowers Plant and Hydroponic System High Brightness 0.5m Strip Lamp | Лампы

Specification: 

• Item type: soft grow light bar  
• Size: 0.5m per strip  
• Product weight: 75g/strip  
• Wattage: 5W/strip  
• Number of LED: 30 leds(25Red:5Blue)
• Rated Hours: 20,000  
• Wavelength : Red 660nm;Blue 445nm
• Illumination angle: 180 degrees  
• Body temperature: less than 60°C  
• LED working temperature: less than 65°C  
• Voltage: DV 12V  
• Warranty: 3 Year  
• Application: indoor garden, pot plants, garden, seeding, breeding, farmland, spray plant, greenhouse plants, pipeline cultivation, flowering, etc. 

Here is how specific wavelength works:

280 ~ 315nm: Less influence for plant’s growth.
 315~400nm: (UV)Absorb less chlorophyll, prevent stem growth. 
 400~520nm (Blue): Absorb much chlorophyll and carotenoid, helpful for photosynthesis.
 520~610nm (Green): Absorb little chlorophyll.
 610~720nm (Red): Increase photosynthesis for plants, help growth.
 720~1000nm(IR): Less absorption, effect flowering and seed.
 >1000nm: Change to heat.