... quality,low price 3)Three years warranty 4)longer life Suitable for Schools, Hospitals, Offices, Shopping Malls, Factory, Hotels/Meeting Roomsled t8 ... . High efficiency, easy intallation, and maintenance free. 3. Power factor is more than or equal to 90%. 4. Excellent colour display ... . 5. To prohibit the live wiring, check to confirm wiring is correct, check the noshort-circuit, and then power! 6. In ...