850-watt input 1600 watt output osram leds advanced secondary optical lens design for penetration a smart over-heat protection system product designed to etl standards completely noise-free with a fan-cooling system effectual spectrums proved by professionals quick slide-into-track system to combine two or more led fixtures together this light gives 1.4 gram a watt. professional growers get 2.1 gr a watt with co2 and hydro systems. /for more questions send whatsapp.
