Simple and flat design with Landlite Tubular LEDonic tech. inside, providing uniform light, customized length up to 3 meters to satisfy different office spaces 3 in 1 concept, integrated light source, fixture and control gear in one unit, for easy installation 100% light immediately, low heat and UV free Extremely long life, low power consumption and maintenance free Optional intelligent control by a cell phone for dimming Model: RU/F-P1260, P1570, P1890 Operating voltage: 100-240V Power: 60W, 75W, 90W Lumen: 5100lm, 6500lm, 7600lm Dimensions (LxWxH): 1200x200x24mm, 1500x200x24mm, 1800x200x24mm