... light tube savd up to 50%. high intensity; 2, 5-year life span; 3,t10 led tube lighting wide range of input voltage: AC100-240V ... ( 95%) constant current driver, with heat protection system, can work under unstable voltage; 7,Special circuit design,each group of LEDs ... , Samples can be delivered in 3days.4, Freight are quoted under your requests.5, Shipping Port< Shenzhen, China(Mainland).6, Discounts ...