LED Fluorescent Tube 1High light output:1750lm 2length:60cm//90cm/120cm/150cm 3Working without ballast ... 0.6 meters, 250 pcs for 1.5 meters 3. Light output: max output: 1500lm4. Ambient Temperature: -40 ~ 60 degrees Celsius ... , 4000K~4500K, 2800K~3300K 9. High performance SMD led: low light degradation,up to 75% lumen maintenance after 35.000 hours ...