1. life hours: 2 times more than T5, 35,000-50,000 hours 2. super slim: thichness only 3.8cm, save ceiling space, free designers' limitations 3. high brightness output: 380 lux at 3 metres 4. high efficiency and energy saving 5. UV cut 6. CCFL T-bar can , energy cost saving. 7. Unique appearance, the first choice for premium user. 8. No Twickling light, it is the nearest natural light 9. Made in Taiwan wih premium quality 10. 2 years warranty 11. with built in ballast, available to run under 110V~240V (full voltage)