We ship from overseas countries, and the estimated delivery time is 14 to 20 days. If cannot catch the time, please do not purchase. Please refer to the first image; we will ship according to the contents of the first image. 5V USB LED Plant Grow Light Full Spectm Plant Light Strip Phyto Lamp For Greenhouse Flower Seedling Grow TentHydroponicFeatures:DC5V Can be used any devices by USB, also can be used by your phone charger / adapter(5V)LED Chip: 2835 Chip Full SpectmSelf-adhesive back with double side adhesive tapeCut(As needed): Cut on the Cut Marks on the strip to desired length.Specification:Type: Plants Grow LED strip lightWaterproof: IP33/IP67LED Type: SMD 2835LED Quantity: 60LED/mVoltage: DC 5VLength: 1M , 2M ,,3M,,5MSpectral Range Effects on Plant Physiology:280nm ~ 315nm influence on morphological and physiological processes is minimal315 nm ~ 420nm chlorophyll absorbs less impact photoperiod effect, prevent stem elongation420 nm ~ 500nm (blue) chlorophyll and carotenoids absorbed the largest proportion, the greatest impact on photosynthesis500 nm ~ 620nm dye absorption rate is not high620nm ~ 750nm (red) chlorophyll absorption rate "high", has a significant influence on photosynthesis and photoperiod effect750nm ~ 1000nm absorption rate, stimulate cell elongation, impact of flowering and seed germination< 1000nm converted into calorie