40W & 44W .Features: Bulit-in high-efficiency dimmable driver, with power factor up to 0.95 10%-100% dimming range, long life, stable dimming effect, no flicker High grade 4014 LED chipset with high CRI and high luminous efficiency Light decay less than 30% when 30000 hrs Quality aluminum alloy housing for excellent heat diffusing properties Acrylic diffuser with high light transmittance, soft and even light distribution 2-Pin plug-in design, easy connection, no shadow area.6500K in series at will. Maximum length of series connection not to exceed 56W Technical Specifications: Power: 10W, 18w,22W, 24W, 28W CCT: 3000K, 4000K, 6500K, Lumens (lm): 675lm, 1620lm,2970lm,3240lm,3780lm. Voltage: 85-220V,50Hz. Fixture Size (mm): 568x22x34, 868x22x34, 1168x22x34.