Product Name: LED grow light strip<br/><b>Description: </b> <br/>*Material: PVC<br/>*Voltage: 5 V<br/>*LEDs: 60pcs/meter<br/>*Type: 2835 SMD<br/>*Length: 0.5 m/1.6 ft, 1 m/3.3 ft, 1.5 m/4.9 ft, 2 m/6.6 ft, 3 m/9.8 ft<br/><br/><br/><b>Spectral Range Effects on Plant Physiology: </b> <br/>*1. 280 nm ~ 315 nm influence on morphological and physiological processes is minimal.<br/>*2. 315 nm ~ 420 nm chlorophyll absorbs less impact photoperiod effect, prevent stem elongation.<br/>*3. 420 nm ~ 500 nm (blue) chlorophyll and carotenoids absorbed the largest proportion, the greatest impact on photosynthesis.<br/>*4. 500 nm ~ 620 nm dye absorption rate is not high.<br/>*5. 620 nm ~ 750 nm (red) chlorophyll absorption rate "high", has a significant influence on photosynthesis and photoperiod effect.<br/>*6. 750 nm ~ 1000 nm absorption rate, stimulate cell elongation, impact of flowering and seed germination<br/>*7. > 1000nm converted into calorie.<br/><br/><b>Package Including:</b><br/>LED light strip *1