MEIJIU 1978 1000W is a LED grow light designed to be used in indoor grow rooms for high PPFD cultivation practices in indoor farms. Users can have onboard dimming or adjust the spectrum and light intensity by connecting the fixtures with a MEIJIU controller. The higher specification MEIJIU 1978 1000W with UV IR is a multi-light bar fixture with square frame producing extremely high levels of PPF of 3000 µmol/s and a very high efficacy of up to 3.0 µmol/J.