Special Features: 1. Long lifetime: over 50,000 hours 2. High-brightness, high-luminous efficiency, 3. low-power consumption, energy-saving(Saving energy up to 40%,when in comparison to T8 fluorescent tube) 4. Resistant to dampness, low-heating and frequent switching with strong resistance to violation, reliable shock-proof 5. Smart, light, quick to start 6. High-light-emitting frequency: 50 to 60kHz with no flickering, soft and eye-protection 7. Environmental protection: small amount of mercury contained and carbon-reduced 8. Easy for assembly 9. Its length, shape, tube diameter and color can be easily devised according to customers¡¯ varied requirements. 10. 3years guarantee period Specified specifications and parameters: Dimension(mm) LX:892x30 Lamp base: G13,G5 Power: 13W (replacement of general 30W energy saving lamp) Color rendering index: 85 to 90Ra Operating voltage: 180 to 240V Lifetime: above 50,000 hours Light flux: 845Lm Light efficiency: 65Lm/W Color temperature: 2,700/4,500/6,400K Number of on/off cycle: 1 million times. Applications: Widely used in super markets, hotels, nightclubs, disco halls, Karaoke rooms, coffee houses, banks, meeting rooms and exhibition halls, exhibition wardrobes, show windows and houses. 50pcs/ctn.