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. Seeding / Breeding / Veg / Flower / For all planting stages / Green Vegs / Flower Plant / Fruit Plant / Herbs / Medical / Meat Plan.