Remote Control RGB LED Light Bulb (2) #E27-RGB, retail $48.00 (
Manufactured by Tristar for for AixiZ Service and International LLC (
Last updated 10-13-06

This is an RGB LED light bulb with a twist: you can actually modify how it displays colors with a remote control!!! The bulb screws into any standard (in the US and Canada anyway) medium screw base light receptacle, and can operate at voltages from 110 to 240 volts AC.

I haven't yet learned all of its functions, so this page may appear a bit incomplete, at least in the near term.


Feed the remote control its two included AAA cells first. You'll be needing the remote in a short time.

To use this bulb, just screw it into any medium screw base female light bulb receptacle (commonly called just a "light socket"), fed by 110 to 240 volts AC 50-60Hz.

***VERY IMPORTANT!!!*** DO NOT under any circumstances screw this bulb into a fixture controlled by a dimmer switch, whether that switch is on the wall or on the fixture itself. It WILL fail fairly quickly, and possibly quite spectacularly so, if this is done.
You don't want rats or baby spiders...I don't want an unwanted fire.

When the unit is first powered up, it will come on in a color wash mode, where the bulb will smoothly cycle through the color spectrum with a cycle time of approximately three seconds.

Aim the front of the remote control in the general direction of the bulb, and start pushing buttons.
See, told you I didn't know much about this bulb yet!!!
It came with no instructional material, so I'll just have to fly by the seat of my pants for awhile here.

This product was intended specifically to be used in a 110-240 volts AC light bulb receptacle, so I don't have to tell you how to change the batteries in it or tell you which part to remove and throw into the woods.

Since this bulb was meant to be screwed in a light receptacle and not abused, I won't whap it against a steel rod or the concrete floor of a patio, try to drown it in a toilet bowl, stomp on it, run over it, or inflict other punishments upon it that might be inflicted upon regular flashlights. So this section will be rather short.

Handle it as you would an ordinary household light bulb, and it shouldn't give you any guff.

What makes this color-changing LED product different from all the others is that it comes with a remote control. Not just any universal remote either, but one made *SPECIFICALLY* for this bulb!!!

Here's a photograph of the remote control itself.

Like I said earlier, I haven't yet learned all of the functions of this bulb, so this web page may appear a bit incomplete, at least in the near term.

The dimmer settings use a method called PWM (Pulse Width Modulation) to achieve dimming, in which the LEDs receive pulses of full current with periods of no current at all between pulses.

After ~45 minutes of operation in high white mode, the outside of the bulb measures 140F (60C). When the unit was smelled, a slight "hot" odour was detected.

Beam photograph (white) on the test target at 12".

Beam photograph (red) on the test target at 12".

Beam photograph (green) on the test target at 12".

Beam photograph (blue) on the test target at 12".

Beam photograph (white) on a ceiling at ~7.5'.

Beam photograph (red) on a ceiling at ~7.5'.

Beam photograph (green) on a ceiling at ~7.5'.

Beam photograph (blue) on a ceiling at ~7.5'.

Spectrographic plot
Spectrometer plot of the LEDs (displaying "white") in this bulb.
Ocean Optics USB2000 Spectrometer on loan from TWO-CUBED.

WMP movie (.avi extension) showing some of the bulb's patterns.
This clip is approximately 4.9 megabytes (5,113,376 bytes) in length; dial-up users please be aware.
It will take no less than thirty minutes to load at 48.0Kbps.
I cannot provide it in other formats, so please do not ask.

I didn't realise it at first, but this camera records *WITH* sound.

Test unit was provided as a freebie after I purchased an IR detector from on Ebay, and was received on 10-10-06.

Product was made in China. A product's country of origin really does matter to some people, which is why I published it on this web page.

UPDATE: 00-00-00



    PRODUCT TYPE: RGB remote-controlled light bulb
    No. OF LAMPS: 3 (type & size unknown)
    BEAM TYPE: Medium spot w/fairly wide corona
    SWITCH TYPE: Remote control
    CASE MATERIAL: Plastic
    BEZEL: Plastic; LEDs & reflector protected by plastic window
    CURRENT CONSUMPTION: Unknown/unable to measure
    ACCESSORIES: Remote control, 2xAAA cells for remote
    WARRANTY: Unknown/not stated


    Star Rating

Remote Control RGB LED Light Bulb (2) #E27-RGB *

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