http://www.lumanlighting.com/product_show_19.html

1.NO LIGHT GAPS/SHADOWS(Linear connection with continuous light)
2.NO LIGHT DEPRECIATION even up to 25 meters 
3.NO POLARITY-connection can be plug in either way
4.input voltage:48V DC (SELV-Safety Extra Low Voltage) and supported up to 50 meters connection
5.High efficiency by saving 70% energy compares to the T5/T8 CFL tube
6.50000 hours lifetime,providing 5 year warranty
7.Environmental friendly:without mercury,ultraviolet(UV)and infra-red light
8.SAA（Australia).CE(Eurobe).and ROHS certified