Light efficiency / indication: CRI > 80 Wattage: 48W/72W Luminous flux: 110-130lm/w Lamp body size: 46*71*1000mm LED light source: Led Lamp material: aluminum + toughened glass Number of LED lamp beads: 18 Input voltage: DC24V Glowing angle: 5pm, 10pm, 15pm, 30pm, 45 / 60 degrees is optional Lantern Pearl Brand: Jingyuan / Osram / Puri / Corey Color temperature: 2000-6000K / RGB/RGBW Driving brand: Mingwei / Dongling / Maoshuo