The present invention provides an energy-saving LED street lamp. A energy-savingLED street lamp comprises lamp body, power supply adapters, constant currentactuating device, and LED bulbs. The constant current actuating device isconnected inseries with the output end of the power supply adapter, supplying power tosaid LEDbulbs. Said energy-saving lamp also comprises auto light-dimmer energy-savingcontroller; the signal output end of said auto light-dimmer energy-savingcontrollerbeing connected with constant current actuating device. Said LED bulbsconstitute aplurality of working module; each of the said working module is connected withanindependent power supply adapter. Said auto light-dimmer energy-savingcontroller hasa plurality of routes of output signal, and each of the route of signal outputend isconnected with a constant current actuating device, and sequentially controlthe lightenand extinguish time of a working module.
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