DimmableMax Wattage 220w (±5%)Efficacy 2.55 μmol/JPPF 561 μmol/s1.83 amps @ 120VDimensions 19.75 x 19.75” x 1.25”RMH (Recommended Mounting Height Above Canopy) 12” ± 6"*Cord Type 6' - 120vFootprint (RMH) 2' x 2'Warranty 5 Year