DISPOSABLE LED BOOK LIGHT



Disposable LED Book Light, retail $1.00
Manufactured by (Unknown)
Last updated 04-19-13





The Disposable LED Book Light is a reading light that features a white LED behind a transparent plastic window, powered by a trio of LR44 button cells ("the laser pointer battery"}. It has a flexible neck, so you can put the light right where you need it.

It clips onto your book with a built-in clip.


 SIZE



The Disposable LED Book Light is ready to use right out of the package. The batteries are included and installed when you buy it.

Clip the Disposable LED Book Light to the front or back cover of the book you wish to illuminate. Affix it so that the clip portion faces up.

Turn the product on by sliding the switch on the light's body forward until it clicks.

Neutralise it by sliding the switch backward (toward the book you have it clipped to) until it clicks.

Adjust the light head as you see fit by bending the flexible neck. Once you have it adjusted where you want it (within reason, of course), it will stay put.



Although this was designed to be a disposable product, you can change the batteries it with only minimal fuss.

(Check back a bit later for these instructions)

If your Disposable LED Book Light does not work after a battery change, open the cover and be sure you installed the cells correctly.



This is a reading light, not a flashlight meant to be thrashed, trashed, and abused. So I won't try to drown it in the toliet tank, bash it against a steel rod or against the concrete floor of a carport in effort to try and expose the bare Metalmarineangemon - er - the bare Metaltrailmon - um that's not it either...the bare Metalsusanoomon...er...uh...wait a sec here...THE BARE METAL (guess I've been watching too much Digimon again! - now I'm just making {vulgar term for feces} up!!!), let my mother's big dog's ghost, her kitties, my kitty or my sister's kitty cat piddle (uranate) on it, hose it down with my mother's gun, run over it with a 450lb Quickie Pulse 6 motorised wheelchair, stomp on it, use a medium ball peen hammer in order to bash it open to check it for candiosity, fire it from the cannoņata, drop it down the top of Mt. Erupto (now I guess I've been watching the TV program "Viva Piņata" too much again - candiosity is usually checked with a laser-type device on a platform with a large readout (located at Piņata 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 cannoņata (also located at Piņata Central) is only used to shoot piņatas to piņata parties away from picturesque Piņata Island, and Mt. Erupto is an active volcano on Piņata Island), send it to the Daystrom Institute for additional analyses, or perform other indecencies on it that a flashlight might have to have performed on it. Therefore, this section of the Disposable LED Book Light's web page will seem a bit more bare than this section of the web page on a page about a flashlight that was born to be a flashlight and nothing but a flashlight.

One thing that pisses me off about this product is that its light is not diffused or wider -- it's a medium spot as might be produced by a standard 5mm white LED with a 20° beam.


Picture of the Disposable LED Book Light illuminating the pages of the book, "Fallen Lotus Pedals (a book by Jordon Papanier)".


Spectrographic analysis
Spectrographic analysis of the LED in this book light.


Spectrographic analysis
Spectrographic analysis of the LED in this book light; spectrometer's response narrowed to a band between 430nm and 470nm to pinpoint native emission peak wavelength, which is nm.

The raw spectrometer data (comma-delimited that can be loaded into Excel) is at http://ledmuseum.candlepower.us/42/dbl.txt

USB2000 Spectrometer graciously donated by P.L.




TEST NOTES:
Test unit was given to me by a family friend approx. 04-10-13.


UPDATE: 00-00-00



PROS:



CONS:



    MANUFACTURER: Unknown
    PRODUCT TYPE: Clip-on LED book light
    LAMP TYPE: White LED
    No. OF LAMPS: 1
    BEAM TYPE: Medium spot; central hotspot with wider corona
    SWITCH TYPE: Slide on/off on clip-on portion
    CASE MATERIAL: Plastic
    BEZEL: Plastic; thin plastic window protects LED & reflector
    BATTERY: 3x LR44 button cells
    CURRENT CONSUMPTION: Unknown/unable to measure
    WATER- AND URANATION-RESISTANT: No
    SUBMERSIBLE: SNIETY MIKOLAJ ZA POMOCA SZCZOTECZKI DO ZEBÓW, KTÓRY SPADL W TOALECIE, NIE!
    ACCESSORIES: 3x LR44 button cells
    SIZE:
    WEIGHT: 20.60g (0.730 oz.) incl. batteries
    COUNTRY OF MANUFACTURE: Unknown; though highly likely it is China
    WARRANTY: Unknown

    PRODUCT RATING:

    Star Rating





Disposable LED Book Light * www.energizer.com







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