http://bit.ly/HLG600R Fire up that garden or upgrade your current grow sitch with the HLG 600 Rspec high intensity LED grow light. Our HLG 600 Rspec® Commercial Indoor Horticulture LED grow light is designed to replace 1000watt HID. Each HLG 600 uses 4 of our custom designed full spectrum high efficiency white light quantum boards with Samsung LM301H and Deep Red 660nm LED's. This unit is dimmable, with wattage output from 60 to 600 watts. DOWNLOAD HLG 600 R SPEC MANUAL: http://bit.ly/600RManual HLG 600 R Spec Independent Lab Report: http://bit.ly/600RLabReport TOP FEATURES High efficiency white light Quantum Boards® Full Spectrum White and 660nm Red Reliable passive-cooled design Better canopy light penetration with diffused light Dimmable power supply included Auto sensing Inventronics power supply works on both 120VAC and 240VAC and 277VAC with a 3 Year warranty. SPECIFICATIONS Power 60-600 Watts Voltage Range 100-277 VAC 50-60Hz LED Samsung LM301H & Deep Red Flowering Footprint 5' x 5' at 28" Veg Footprint 6' x 6' at 40” System PPF Efficacy 2.55 μmol/joule Total output 1522 PPF Dimensions 26" x 21.5" x 2.75" Recommended Mounting Height 28-36 inches above canopy