... Working temp:-20~+40degree 4,CE&ROHS approval Double Side LED Tube T8 Specificaton:Operating Voltage;AC85—265VOperational ... lifetime - LED feature, reasonable driving, no effect from switch on/off.7. Green environment, without any harmful materials ... , PC, 14. No electromagnetism interference, no high power switch and inductance parts, no environment electromagnetism pollution.15. High power ...