Specification: Length: 24''(2FT) Power: 15W Input Voltage: AC100-277V Color Temperature: 6000-6500K Luminous Flux: 1650LM CRI: 90 Power Factor: >0.95 Light Source: High Bright SMD2835 Features: 1. 100-110 luminous output per watt, highlight efficiency, long life span. 2. Built-in constant current driver, high efficiency, stability. 3. Quick response time, the LED response time is nanosecond. 4. Environmental protection, no heavy metals and harmful gas. 5. Energy-saving, can save energy more 70% than traditional fluorescent lights. 6. No flicker, start quickly, soft light,protect your eyes. 7. Easy to install and use.