Ring diameter:                     52.5 cm (with remote control) Weight:                                  2.7 kg Power supply:                       Built-in, cable length 2 meters, European regulations Material:                                  Bottom shell ABS, mask/PC Lighting power:                   72W Number of lamp beads:    160 pieces, 1W/piece Lens Technology:                 Uniform light, no dark spots, more eye protection Placement method:           2.1-meter tripod, stainless steel Height adjustment:            Free height adjustment (up to 2.1 meters) Applicable voltage:             100-240VAC Light color:                            White light/warm white/natural light (promise dimming) Color temperature:            2900K-6500K Color rendering index:      RA greater than 85