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White/UV LED/Laser Module Flashlight (3), retail $TBA {est. less than $5.00}
Manufactured by (Unknown)
Last updated 03-17-11

I found this flashlight while looking for something else that required spectroscopy; it is something I most likely purchased on Ebay within the last several years. I bought it because the price was right (I believe it was significantly less than $5.00), and it has white LEDs, UV LEDs, and a red laser module in it. All three functions are easily accessible with a single pushbutton.

It comes in an aluminum body, it has 10 white LEDs, 5 UV LEDs, and a red diode laser in its business-end, and feeds from three AAA cells that are held in a side-by-side carriage in the barrel.


To use this neat multipurpose flashlight, feed it first (see directly below), and then you can go paint the town red. Or white. Or violet.

Press the button on the barrel until it clicks and then release it to turn the white LEDs on.
Press the button on the barrel until it clicks and then release it to turn the UV LEDs on.
Press the button on the barrel until it clicks and then release it to turn the LEDs off and the diode laser on.
Press the button on the barrel until it clicks and then release it to turn the flashlight all the way off.

Just like it reads on the back of many shampoo (or shampiddle) bottles, "lather, rinse, repeat". In other words, the cycle starts over with the next press of the button.

To change the batteries, unscrew and remove the tailcap, gently place it on the ground, and kick it into the garden so the hungry, hungry praying mantids will think it's something yummy to eat and subsequently strike at it...O WAIT!!! YOU'LL NEED THAT!!! So just set it aside instead.

Tip the black plastic battery carriage out of the barrel and into your hand. If necessary, remove and dispose of or recycle the used AAA cells from it.

Insert three new AAA cells into the carriage, orienting each cell so its flat end (-) negative faces the spring for it in each chamber.

Slide the now-full battery carriage into the flashlight barrel, orienting it so the spring on one end of the carriage goes in first. Finally, screw the tailcap firmly back on.
Aren't you glad you didn't kick that tailcap into the garden with all those hungry, hungry praying mantids now?

Here is what a praying mantis looks like.
I found this guy on the morning of 09-08-06 clinging to the basket of my scooter.

Current usage measures 102.11mA (white LEDs), 91.30mA (UV LEDs), and 32.00mA (laser diode) on my DMM's 400mA scale.
This equates to 10.211mA per LED (white), and 18.26mA per LED (UV).

Because this product contains a laser, the thrash test will not be performed. I never perform this particular test on lasers or products which lase.

Although there is an O-ring on the tailcap where it fastens to the barrel, it failed "The Suction Test" rather miserably; so water, milk, diet Pepsi, coffee, uranation, root beer, or other liquids could get inside around the switch and more so through the bezel. So please try not to drop it in creeks, rivers, ponds, lakes, oceansides, docksides, puddles of dingo pee, glasses of milk, slush piles, mud puddles, tubs, root beer floats, toilet bowls, cisterns, sinks, cups of coffee, fishtanks, dog water dishes, old yucky wet mops, wall-mounted porcelain urinators, or other places where water or water-like liquids might be found. A little rain or snow probably wouldn't hurt it though, so you need not be too concerned about using it in lightly to at most moderately bad weather.

If it fell in water and you suspect it got flooded, disassemble it as you would for a battery change, dump out the water if necessary, and set the parts in a warm dry place for a day or so just to be sure it's completely dry inside before you reassemble and use it again.

If it fell into seawater, got thrown into a glass of milk, got nocked into a cup of yogurt, or if somebody or something got "pist off" at it and subsequently "pyst" on it, douche all the parts out with fresh water before setting them out to dry. You don't want your flashlight to smell like seaweed, sour milk, or piss when you go to use it next. Besides, salt (from seawater or uranation), lactic acid (from milk or yogurt), or sugar (from root beer and vanilla ice cream) can't be very good for the insides.

This product is not labelled for CDRH compliance (which they must if a laser is included). Not on the flashlight itself, and not on the plain white box it came in.
The laser in this flashlight measures 3.8409mW, making it a CDRH Class IIIa instrument.
So you should not get in too much trouble if you use it in public, and some dillhole cop confiscates it and has it measured.

Does this evaluation look an awful lot like the one I wrote for this product?
Thought you'd say so.
That's because they're extremely similar in body style and identical in function, so I was able to use its eval. as a template for this one.

Beam photograph (white LEDs) on the test target at 12".
Measures 70,100mcd on a Meterman LM631 light meter.

Beam photograph (UV LEDs) on the test target at 12".
Wavelength is too short for me to measure intensity with the instruments at my disposal.

Beam photograph (laser) on the test target at 12".
Measures 3.8409mW on a laser power meter intended to be used for this purpose.

Photograph of the laser spot on a wall at ~10'.

Photograph of the white LED beam on a wall at ~10'.

Photograph of the UV LED beam on a wall at ~10'.

Those colored graphics in the last three photographs above (toward the left) are my "Viva Piņata" posters, and that clock on the right that looks like a gigantic wristwatch is my Infinity Optics Clock.
You may also be able to see two of my SpongeBob SquarePants plush (Squidward Tentacles & Patrick Star) and a Digimon plush (Greymon)

Spectrographic analysis
Spectrographic analysis of the white LEDs in this flashlight.

Spectrographic analysis
Spectrographic analysis of the UV LEDs in this flashlight.
Looks like the peak wavelength is 399nm.

Spectrographic analysis
Spectrographic analysis of the red laser diode in this flashlight.

Spectrographic analysis
Same as above.
Spectrometer's response narrowed to a band between 650nm and 660nm to show laser's peak wavelength; which appears to be 665.65nm.

Spectrographic analysis
Spectrographic analysis of the fluorescence of a uranated* glass marble when irradiated with the UV LEDs in this product.

*"Uranated" - infused with an oxide of uranium, *NOT* piddled (urinated) on.
Commonly referred to as "Vaseline glass" because it has
a distinct pale yellow-green color when not being irradiated.

Note spelling: "urAnated", not "urEnated","urInated",
"urOnated", "urUnated", or sometimes "urYnated".

USB2000 spectrometer graciously donated by P.L.

ProMetric analysis
Beam cross-sectional analysis (white LEDs).

ProMetric analysis
Beam cross-sectional analysis (UV LEDs).

ProMetric analysis
Beam cross-sectional analysis (Laser, X-axis).

ProMetric analysis
Beam cross-sectional analysis (Laser, Y-axis).

Note if you will that the laser beam is being rather severely vignetted -- in this case however, this isn't such a bad thing as it keeps the laser output power levels within CDRH Class IIIA limits, so it can be legally used as a laser POINTER and be safely used as a cat toy.

Images made using the ProMetric System by Radiant Imaging.

Test sample was found apparently new and unopened on 03-14-11 (or "14 Mar 2011" or even "Mar 14, Twenty Double Sticks" if you prefer) while looking for something else that required spectroscopy.

UPDATE: 00-00-00

Nifty 3-in-1 instrument
Nice looking body that's also pleasant to hold
Uses batteries that are common and relatively inexpen$ive

Not labelled for CDRH compliance (product includes a laser)
Product uses a battery carriage -- one more thing to become lost or broken
Not too water-resistant and not submersible at all

    PRODUCT TYPE: Multipurpose flashlight
    LAMP TYPE: 5mm LED, diode laser
    No. OF LAMPS: 16 (10 white LEDs, 5 UV LEDs, 1 diode laser)
    BEAM TYPE: Medium spot (LEDs), very narrow spot (laser)
    SWITCH TYPE: Pushbutton on/mode change/off on barrel
    CASE MATERIAL: Aluminum
    BEZEL: Metal; LEDs and laser inside hosels (cells) for them
    BATTERY: 3xAAA cells
    CURRENT CONSUMPTION: 32.00mA to 102.11mA
    WATER RESISTANT: Very light splatter-resistance at maximum
    ACCESSORIES: Nylon belt holster
    WARRANTY: Unknown


    Star RatingStar Rating

White/UV LED/Laser Module Flashlight (3) *

Do you manufacture or sell an LED flashlight, task light, utility light, or module of some kind? Want to see it tested by a real person, under real working conditions? Do you then want to see how your light did? If you have a sample available for this type of real-world, real-time testing, please contact me at ledmuseum@gmail.com.

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