T10 LED Tube with 100 to 240V AC Working Voltage, No RF Interference Standard length: 60, 120 and 150cm Wide voltage input: 100 to 240V AC PF (power factor): >0.92 Power efficiency: >80% CT (color temperature) range: Commercial white: 4,500 to 5,500K Cold white: 5,500 to 6,500KWave, frosted and clear 3 types according to its front shells Much longer lifespan than CFL tube: minimum 10 years (suppose that light is on 8 hours per day) 70 to 80% energy-saving over fluorescent tubes Solid state, high shock and vibration resistant Work without ballast No RF interference No flickering or buzzing Quick and easy installation to minimize retrofit costs Instant soft-start Minimum maintenance costs Produce little heat No mercury and other hazardous materials, fully RoHS compliant Continuous operation for white LEDs (10 years for other colors) Rated to operate from -40 to 122°F (-40 to 50°C), perfect for environments with extreme climates Epistar + Intermatix LED packaging solution, no patent trouble