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