PPF: 1590umol/s at 6inch Power: 640W Efficacy: up to 2.8umol/J Spectrum: Full spectrum white CCT: 3500K (or customized) CRI: 90 Input Voltage: 120V/208V/240V (if 277v need Customized ) Control Options: Knob dimming (Wifi Dimming and Bluetooth and panel dimming need to customized ) Fixture Weight: 32.3kg Fixture Dimension: 39.2"/L x 39.2"/W x4.3"/H (1000x1000x110mm) Preferred Mounting Height: 20" (flowering), 30" (veg) THD: <6% Diodes: Samsung 561c leds Beam Angle: 120 degree Power Factor: >95% Lifetime: >50,000 hours IP Rating: IP65 Warranty: 3 years Certificates: ETL, CE, RoHS 1. Seeding / Breeding / Veg / Flower / For all planting stages / Green Vegs / Flower Plant / Fruit Plant / Herbs / Medical / Meat Plan.