Item No.: SG-U500W Size: Dia 440x 265mm Input Voltage: AC100-240V LED : Samsung LM 301H Spectrum : Full Spectrum or can be customized Rated Power: 500W PF: More than 0.95 PPF : 1550 Umol/s PAR Efficiency: 3.1 Umol /s Mounting height: 48-96" Thermal management: Passive Dimming: 0-10V IP Grade: IP65