LED Suspended Up/Down Flat Panel Lights 40 Watt 5,000 Kelvin. Mounting hardware is sold separately. 

2,100 Lumens Up Light/ 2,100 Lumens Downlight

:: 4 Feet long
:: Housing: White, Die-cast Aluminum
:: Lens: Clear Patterned Light Guid Panel
:: Coupling Brackets for Tandem Installation Pre-installed 
:: Voltage: 120~277VAC 50/60Hz
:: Wattage: 40W
:: Ambient Temperature: -13oF~104oF
:: Dimmable: 0~10V dimmable
:: CRI:>80
:: Power Factor:>0.95
:: Efficacy: 105LM/W
:: IP Rating: IP20
:: Life Span: 50,000 hours