20W UL Listed LED T8 Tubes 85lm/w UL ListedT8 LED Tube2835 LEDTaiwan Factory ProducerWarranty 2 years limitedWorking Temp.:-20°C~+50 °CLED lumen efficiency: 85lm/w±5%Color Temperature:3000K-6500KLife span:50000hCover color : clear Length:1198mmLength For North America: 47.16 inchesApplication: Inner parking lot,Residential room,etc .