3-setp dimmable LED light source 
feature:
Dimming function:3-step dimming only through the on-off switch on the wall.
1.turn on the switch, the LED light source is 100%power with 100% brightness.
2.turn off the switch , and turn on within 5 seconds, the LED light source only 50%power with 50% brightness.
3.turn off the switch again, then turn on within 5 seconds,the LED light source  is only 10%power with 10% brightness.
4.LED light source power variation can be set as required.(100%-50%-10%cycling)
5.if turn off the switch and turn on after 5 seconds ,the LED light source  will keep 100%power 100% brightness.
6.Any size and power can be designed,can be applied: spot lights, street lamps, mining lamps.
7.Use 110V / 220V drive LED light source, no additional power supply drive.
3步可調光LED光源特征：
調光功能:3-步驟只通過電源開關的:開 - 合調光.
1.打開開關,LED光源是100％功率100％的亮度.
2.關掉開關，並在5秒之內開啟，LED光源只有50％的功率，50％的亮度.
3.再次關掉開關，然後在5秒內打開，LED光源只有10％的功率，10％亮度.
4.如果關掉開關，並在5秒后打開，LED光源將保持100％的功率100％的亮度.
5.LED光源的功率變化比率可按要求設置(100%-50%-10%循環)
6.可以設計成任何尺寸和功率,應用於:投光燈,路燈,工礦燈.
7.使用110V / 220V驅動LED光源,無需額外電源驅動器.

現貨供應10W 20W 30W 50W 100W 150W 200W 250W 300W投光燈,工礦燈,