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8 IN 1 LED CARD
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8 in 1 LED Card, retail $3.19
Manufactured by (Unknown/not stated)
Last updated 11-27-12

Now this is a rather nifty gadget to have in your arsenal if you're a gadget lover!!!

What this is is an 8-in-1 "card" that has the following:

3x telescope
Magnifier
LED flashlight
Red laser pointer
Magnetic compass
Ballpoint pen
Invisible ink pen
NUV (near-ultraviolet) LED light

It comes in a blue plastic body, just slightly larger in size than a bank card (though at 8.5mm thick at its thickest point, it may be a bit on the thick side to put into a wallet), and its functions are quite easy to access & use.

Size of product w/hand to show scale

SIZE

To use your sparkling new (or corroded old)

8 in 1 LED Card, just follow these easy directions.

1: On the back of the unit, sticking out of the triangular battery hatch, you'll see a small plastic tab with the word "REMOVE" printed on it. Gently pull this out and get rid of it -- this is an insulater so that the batteries don't become discharged while the product is in storage or transport.

2: To activate the white LED flashlight, press & release the rightmost of the two buttons located to the right of the large magnifying lens.

3: To activate the NUV LED, press & release the same button.

4: To turn the LEDs off, press & release the same button again.

5: To activate the red laser pointer, press & hold down the leftmost of the two buttons.

6: To deactivate the laser, just remove pressure from this button.

Here's the lowdown on how to use the non-light articles:

To use the magnifying lens, just flip it up and look through it -- yes, it's really that easy.

To use the 3x telescope, flip the magnifying lens up, and flip the rear portion of the card (containing a smaller lens and the compass) up. Place the small lens close to your eye and look through it; the scene you're looking at should now be magnified three times.

To use the compass, hold the card flat and look straight down at the compass. Slowly "wiggle" the card slightly as necessary.

To use the black ink ballpoint pen, look on the card's edge near the hinge where the part containing the compass and small lens are. On the left and right edges, you'll see small ribbed squares. Pull the right-hand one straight out, and there's your pen.

To use the invisible ink pen (it writes invisibly, but the writing made with it should show up when irradiated with longwave UVA or NUV {near-ultraviolet} radiation), do the same as above; except that it'll be the ribbed square on the left-hand part of the card.

Slide the pens back into their holes when finished using them.

To change the batteries, turn the unit upside-down. You'll see a small triangular hatch held in plae with a small phillips screw.

Using a small phillips screwdriver (the #0 with a 1.6mm shaft diameter from my kit of jeweller's screwdrivers was kosher here), unscrew that screw, remove it and the battery door, gently place them on the floor in front of the couch, and then give them a swift kick under the couch so that the hungry, hungry carpet beetle grubs (larvae) think they're something yummy for their insect tummies, find otherwise, drag them to the nearby mouse hole, and shove them in...O WAIT!!! YOU'LL NEED THOSE!!! So just set them aside instead.

Here's what you should be seeing now.

Remove the used button cells, and dispose of or recycle them as you see fit.

Install three new AG10 (aka. LR1130) button cells as you see in the photograph.

Place that hatch back on, and tighten that screw -- hold the hatch down if necessary while tightening the screw.
Aren't you glad you didn't kick that screw & hatch under the couch with all of those hungry, hungry beetle larvae now?

This product contains a laser; it is not meant to be used as a standalone flashlight designed to be carried around every day, thrashed, trashed, and abused - so I won't try to drown it in the toliet tank, bash it against a steel rod or against a concrete porch, let my mother's big dog's ghost or my sister's kitty cats piddle (uranate) on it, run over it with a 450lb Celebrity motorised wheelchair, stomp on it, use a small or medium ball peen hammer in order to bash it open to check it for candiosity, fire it from the cannoñata, drop it down the top of Mt. Erupto (I guess I've been watching the TV program "Viva Piñata" too much again

- candiosity is usually checked with a laser-type device on a platform with a large readout (located at Piñata Central {aka. "Party Central"}), with a handheld wand that Langston Lickatoad uses, or with a pack-of-cards-sized device that Fergy Fudgehog uses; the cannoñata (also located at Piñata Central) is only used to shoot piñatas to piñata parties away from picturesque Piñata Island, and Mt. Erupto is an active volcano on Piñata Island), send it to the Daystrom Institute for additional analysis, or perform other indecencies on it that a flashlight might have to have performed on it. So this section of the web page will be ***SIGNIFICANTLY*** more bare than this section of the web page on a page about a flashlight who's sole purpose in life is to be a flashlight.

Beam photograph (white LED) on the test target at 12".
Measures 8,900nm on an Amprobe LM631A light meter.
This is not an unrealistically low value, given the viewing angle of the source.

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

Beam photograph (laser) on the test target at 12".
Measures 2.41585mW on a Sper Scientific Pocket Laser Power Meter # 840011; using the batteries that were installed in it prior to purchase.

Beam photograph (laser) on a wall at ~10 feet.

The labelling of a 3.5" floppy diskette (remember those things?!?) through the magnifying lens.

Spectrographic analysis of the white LED in this product.

Spectrographic analysis of the white LED in this product; spectrometer's response narrowed to a band between 430nm and 480nm to pinpoint LED's native emission peak, which is 452.530nm.

Spectrographic analysis of the NUV LED in this product.

Spectrographic analysis of the NUV LED in this product;spectrometer's response narrowed to a range between 390nm and 420nm to pinpoint peak wavelength, which is ~402.40nm.

Spectrographic analysis of the white LED in this product; newest (03-25-12) spectrometer software settings used.

Spectrographic analysis of the white LED in this product; newest (03-25-12) spectrometer software settings used. Spectrometer's response narrowed to a band between 440nm and 470nm to pinpoint LED's native emission peak, which is 452.488nm.

Spectrographic analysis of the NUV LED in this product; newest (03-25-12) spectrometer software settings used.

Spectrographic analysis of the NUV LED in this product; newest (03-25-12) spectrometer software settings used. Spectrometer's response narrowed to a band between 390nm and 410nm to pinpoint peak wavelength, which is 398.508nm.

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

*"Uranated" - infused with an oxide anion of uranium, *NOT* piddled (peed) 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".

Spectrographic analysis of the laser in this product.

Spectrographic analysis of the laser in this product; spectrometer's response narrowed to a range between 650nm and 660nm to pinpoint wavelength -- which is 652.10 nm.

Spectrographic analysis of the laser in this product; newest (03-25-12) spectrometer software settings used.

Spectrographic analysis of the laser in this product; newest (03-25-12) spectrometer software settings used. Spectrometer's response narrowed to a band between 653.50nm and 655.50nm to pinpoint wavelength -- which is 654.444 nm.

USB2000 spectrometer graciously donated by P.L.

ProMetric analysis

Beam cross-sectional analysis (white LED).

ProMetric analysis

Beam cross-sectional analysis (NUV LED).

ProMetric analysis

Beam cross-sectional analysis (laser, X-axis).

ProMetric analysis

Beam cross-sectional analysis (laser, Y-axis).

Images made using the ProMetric System by Radiant Imaging.

TEST NOTES:
Test unit was purchased on Ebay on 04-30-11 (or "30 Apr. 2011" or even "Apr. 30, Twenty Double Sticks" if you prefer), and was received at 4:29pm PDT on 05-17-11 (or "17 May 2011" or even "May 17, Twenty Double Sticks").

UPDATE: 03-20-12
The "invisible ink" pen in this sample has begun to function as intended, so I've decided to increase its rating by ½ star.

PROS:
Handy-dandy gadget to have within reach

CONS:
Not waterproof or submersible
Uses batteries that may be difficult to find or are expen$ive

Unknown/not stated

Multifunctional "charge card" tool

3mm white LED, 3mm NUV LED, red laser diode

Circular medium spot (LEDs), very narrow spot (laser)

Pushbuttons on/mode change/off

Plastic

None

3x AG10 button cells

Unknown/unable to measure

Very light splatter-resistance at maximum

¡¡¡NINGUNA MANERA HOZAY!!! (No way Hozay!!!)

Batteries

91.5mm L x 59mm W x 8.5mm thick

27.80g (0.980 oz.)

China

Unknown/not stated

8 in 1 LED Card *

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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