This has no ballasts to burn out like other plant light is new and never used. It is a LED light bulb with a long lifespan. Extreme energy efficiency permits this new LED panel to pay for itself many times over each year in electricity savings. No IR or UV light radiation. With this you can do the plants in the greenhouse or laboratory， and can completely replace the natural light， to promote plant growth. It is ideal for plant growth， flowering， fruiting.                                    Features            Uses wide-angle LEDs for max coverage &amp; outputSilver-reflective board under LEDs increases efficiencyWavelength type is rich， coincided with the plant photosynthesis and photomorphogenesisWhether in the evening or night， you can effectively extend and control of plant science needed to lightPlants in the greenhouse or laboratory， can completely replace the natural light to promote plant growthCan be used for orchards， plant plant， garden， greenhouses， indoor planting crops， seeds and other placesAs a supplementary light， any time of day can enhance the light， you can extend the effective lighting hoursBoth in the evening or night， can effectively extend and control of plant science needed light                                                            Specifications            Power    50W (1W*50)    <br>Output Voltage    85-265V    <br>Color Ratio    8:1 or 7:1    <br>LED Quantity    50    <br>Cooling Way    Aluminum plate， fan    <br>Wavelength    Red: 620-470， Blue: 460-470    <br>Working Current    300mAH    <br>Material    Aluminum    <br>Dimensions    2.36 x 6.89" /6 x 17.5 cm (H x Dia)    <br>Weight    44.06 oz /1249 g    <br>Beam Angle    120°    <br>Light Color    Red， Blue    <br>Other Features    Projection condenser shell with fin heat    <br>Suitable for    Home gardening， Plant Factory， Research institutes， Commercial greenhouse    <br>Color    White    <br>Power Plug    US， EU， AU    <br>                                                            Package Includes            1 x 50W 300mAH 50LED Red Blue Round Plant Light White (85-265V)1 x Power Cable1 x Lanyard Cable