1The plant light with cooling fans on the back ,built?in aluminium heat?sink, excellent?speed heat dissipation. It does not produce any noise and is suitable for indoor quiet environments. 2Energy saving LED grow lamp, unique design of reflective cup and 120 degree optical lens for higher light?gathering effect, low light loss, high light utilization. 34000K COB chip, wavelength range is 380nm~880nm, great for all kinds of indoor plants, vegetables and flowers at all growth stages. 4Widely used in plant factory, basement, greenhouse planting, flower planting, indoor garden, water soluble breeding, pipe cultivation, vegetable planting, etc. 5Adopts hanging design, small size and convenient, you can adjust the distance from light and plant , distance is 30?100 cm ,the effective covering area is 0.5?5.