Specification: Voltage: 85-265V. Power: 1000W. Plug: US plug. Material: Iron. Size: 24.6*14.6*5cm (9.6x5.7x1.9). Features: * Adjustable wavelength: The lamp uses a knob to control the wavelength of the light, and the 0%-100% knob controls red, blue light and brightness. COB plant growth lamp make plants absorb the most suitable light waves at different stages of growth. * The latest upgrade design: LED plant lights use the latest COB integration technology to effectively improve color uniformity, luminosity and lifetime. Each lamp bead uses a dual chip, which is brighter than a traditional single chip and keep sufficient power. * Full spectrum: COB growth lamps contain many red and blue lights, as well as some UV and IR, which mimics natural sunlight and provides everything a plant needs. All the flowers in the room can be used, it is a multifunctional LED plant growth lamp. * Powerful cooling system: Built-in improved high-quality cooling fan, aluminum radiator and aircraft-grade high thermal conductivity iron shell, which can quickly transfer heat from inside the lamp to the outside, ensuring that the bulb itself is cool and can maximize the lighting life. Package included: 1 X Plant growth light (with string+power cable+manual)