A light-emitting diode (LED) is a semiconductor light source. LEDs are used as indicator lamps in many devices and are increasingly used for other lighting.EDs present many advantages over incandescent light sources including lower energy consumption, longer lifetime, improved physical robustness, smaller size, and faster switching.

We are a professinal led power supply manufacturer  for led light bulbs,Flood LED, Spot LED, LED Tube Lights, LED Recessed Lighting, LED Light Strips,and so on .
There are a lot of standards as below:
         LED power--- constant voltage
           LED power--- constant current
             LED power--- water-proof
           LED power--- High power
             LED power--- Low-voltage
             LED power--- Drive power
             LED power--- light modulation
             LED power--- switch type
            LED power--- street dedicated
            LED power--- fluorescent light
           LED power--- Ceiling light
             LED power--- down light /Tube light
           LED power--- Track light
           LED power--- barrette
           LED power--- spotlight
            LED power--- led prpkect light
           LED power--- bulb lamp
           LED power--- led wall light
            LED power--- led flood light
            LED power--- led strip light
            LED power--- led Screen wall light
            LED power--- Built-in light power
           LED power--- External light power
sorry,i thought you known... they are LED Driver/power supply, if you are interesting,i can send you some parameters.pls email me:sales@lyledpower.com.
Bad joke.
eehmmm... What?
I don't understand that &not;&not; <br>No instructables, no explain, no schematics... WTF is that?
it doesn't look to be very &quot;waterproof&quot; to me!

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