... working lifetime 5. direct factory price Features of LED fluorescent lamp1.High power,high brightness, high energy saving; ... 80% energy than that os ordinary lamps,1000hours consumes 1KWH(ordinary incandescent lamps:17hours 1degree electricity consumption ,100 hours ... reach 20000 hours, ten times more than ordinary lamps(ordinary incandescent lamps'life span are 1000hours,while ordinary energy-saving ...