Dimension:308mm208mm 60mm (128.22.4inch). Net weight: 2.5kg (5.5lb) Case Color: White. LED chips: Real Brand New Epileds Chips. Actual Power132w±5% /110V 146w±5% /220V. Working Temperature: -20 to 40 <-4 104>. View Angle: 90°/120 Mixed. Lighting Coverage:1.6 – 13 square meters. Recommended Height: 0.3 m- 2 m (11.8-78.7 inch). Recommended Coverage:One panel per 3 square meters. Wavelength(9 Bands) 430440nm, 450460nm, 610-615nm, 620630nm, 650660nm, and white, IR (730nm) , 380 – 400nm. (Most approriate light proportion for the growth of commercial plants). It is hard to see the lights of the IR leds clearly by eyes. Please don’t think they are not working. Instead, they play an very important role in the flowering and fruiting stages of plants. 1 x 300W led grow light. 1 x power supply. 1 x hanging kits. How to Choose Grow Light? The spectrum of light is important to horticulture, get the best light color that plants need. Plants growing need bright light, when lack of it, they get tall and leggy. Energy saving and great power efficient. Enough usable light with less electricity; the light should have the power to produce much light with less power. Duration of light and maintenance cost. A long lifespan and working light is good for your plants. Plus, it need to be used under all stages of growth. High power cooling system. Lower working temperature led light will take care your plants better than others. Constant current driver circuit. A proper LED circuit driver should supply a constant supply of direct current and regulate the intensity according to temperature changes. Your understanding and cooperation would be highly appreciated! If necessary, we will send spare parts for free. If not, we will bear the charge for you. Thanks you very much in advance. The item “300W LED Grow Light Indoor Hydroponics System kits indoor Plant Flower Grow Lamp” is in sale since Wednesday, January 28, 2015. This item is in the category “Home & Garden\Yard, Garden & Outdoor Living\Gardening Supplies\Hydroponics & Seed Starting\Grow Light Kits”. The seller is “topledmanufacturer” and is located in Shen zhen. This item can be shipped worldwide.