The Deck Marker Light is a new technological advancement on a product that's otherwise quite mundane. It marks things like outdoor decks, deck rails, walls, corners, etc. with a faint glow coming from it at night.
It's photosensitive, meaning that it does not just blaze away 24/7; it only comes on when it gets dark and turns off when it gets light.
This faint glow emenating from the product, called Low Glow, is intended to be used as a guide light only; it is far too dim to be used for reading or for any other task that you might use a flashlight for. If you need a flashlight, then buy a flashlight for Pete sakes!!!
Low Glow can make those AA cells (or, "batteries" if you prefer to be incorrect ) last one full year. That's right, I said, "YEAR" here folks!
SIZE
To use your shiny new (or corroded old ) Deck Marker Light, feed it first (see directly below) and THEN you can go and ***NOT*** fall off the deck at night because you didn't see the edge in the dark.
Mount the bracket (with its 'UP' embossing closest to the top of course) using either the double-sided tape (for use on smooth surfaces that have been thoroughly cleaned) or the furnished screws (for unpainted wood like deck rails).
Line up the "keyhole" slots in the bracket with the plastic & metal "tits" on the back of the unit itself, gently press them together, and slide the unit downward for a short distance (est. ~¾ to 1 inch) until it stops -- and there, all done!
The unit turns on automatically at dusk and turns off automatically at dawn; no switches to fuss with or forget!
To change the AA cells in your Deck Marker Light (presuming that you have it already mounted somewhere), lift upward on the unit until it slides approx. ¾ to 1 inch until it stops, and pull it straight off. Look at it all wierd, cock your head at it like a puppy that doesn't understand what it had just been told, and huck it at a paper wasp nest so that the wasps become all pissed off at it and attempt to sting it to death...O WAIT!!! THAT'S ACTUALLY THE ENTIRE DECK LIGHT YOU JUST CHUCKED!!! So just hang onto it for a moment there cowboy!!!
On the back of the unit, you'll see a battery door pretty much in the center of the unit, Unclip it (between the two "tits" you see), swing it away, remove it, and huck that at the wasp's ne...er...I mean, SET IT ASIDE as well.
Remove the three used AA cells from the battery compartment, and dispose of or recycle them as you see fit. Do not attempt to dispose of them by flushing, and for Christ sakes please do not lob them over the side of your deck and into that pond with all of those nice lily pads, the giant waterbugs, the ducks floating gracefully by, or the dragonfly nymphs (larvae) in it!
Load three new AA cells into the compartment, orienting each one so that its flat-end (-) negative faces a spring for it in each chamber.
Clip the battery door back in place, and drop it back onto the mounting bracket like I described in the, "HOW TO USE" section directly above
This battery changing procedure actually sounds a bit more difficult by reading it than it is to actually do it!
Aren't you glad you didn't huck the unit at that wasp's nest with all of those pissed off hymenoptera now?
This is a glowing deck marker 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 Metalmegaseadramon - er - the bare Metatogemon - um that's not it either...the bare Metalarukenimon...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 sister's kitty cat, or my own kitty cat piddle (uranate) on it, hose it down with my mother's handgun, run over it with a 450lb Quickie Pulse 6 motorised wheelchair, stomp on it, use a medium ball peen hammer in order to smash it open to check it for candiosity, fire it from the cannoñata, drop it down the top of Mt. Erupto (now 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. Therefore, this section of the Deck Marker Light's web page will seem a bit more bare than this section of the web page on a page about a flashlight.
The unit is advertised as "weatherised", however when I had it disassembled for spectroscopy, I found no O-rings or other environmental seals...guess the only way to ***REALLY*** determine its level of weather-resistance is to stick it outside somewhere and wait...looks like this will be one of those, "only time will tell" situations.
See below for a photo of its placement outdoors.
From A.G. at comes this text (no changes to spelling, grammar, or syntax were made):
"You see, we found a way to weatherproof the light without gaskets. The problem with gaskets is that the people who make gaskets want you to pay for the gaskets, and then that $0.10 gasket becomes a $0.75 price increase by the time it gets to the customer. Instead the light is designed such that, when properly oriented, all of the seams and bevels in the casing funnel water out and away from the electronics. For example note the large upsidedown V on the battery housing door. But you never want to make a perfectly water/air tight chamber because water will eventually condense on the inside no matter what you do. Hence the drainage slit in the bottom, or open skylight in the top I guess, ya'know, if you prefer it that way.
Our rigorous weatherproof testing procedure was to put the lights in the shower at our office for hours on end. This was a bit troublesome for our accountant/shipping manager/receptionist Lisna, who never knew when we were testing and would walk into the bathroom to find the overhead lights off, the shower running, and no one to be seen."
He also furnished the following video of the lights being tested in the shower:
Photograph of the product, illuminated of course.
Photograph of how I placed the unit outdoors for an extended 'weather test'.
Looks like one of our kitty cats has already pissed all over it!
Guess it's time to douche it off with the hose...if I spray the hose from the top, nothing unfortunate will befall it.
We do not have a deck, so this is the best I could do in the interim
(I may affix it to the house sometime down the road).
Spectrographic analysis of the LED in this product.
Spectrographic analysis of the LED in this product; spectrometer's response narrowed to a band between 450nm and 480nm to pinpoint native emission peak wavelength, which is 465.888nm.
I had to completely disembowel the unit (in order to expose the LED to my spectrometer) to obtain these spectra; it is otherwise too dim for this instrument. I successfully reassembled it after performing these analyses so, "no harm no foul" as they say.
Video on YourTube showing how the Deck Marker Light is fed (with 3 AA cells) and used.
Video was used with permission of A.G. at Jenesis International.
TEST NOTES:
Test sample of this product plus four other products was sent by A.G. of Jenesis International on 08-07-12 (or "12 Aug. 2012" or even "Aug. 12, twenty stick-very-twirly-stick" if you prefer) and was received at 11:11am PDT on 08-13-12.
UPDATE: 00-00-00
PROS:
"Low Glow" means the batteries will very probably last a full year!
Photoelectric (day/night) operation; no switches to fuss with or forget
Reasonably durable construction
CONS:
Not very water-resistant (advertised as "weather-resistant") and not submersible at all (this is what nocked that last star off; however I might put it back if the unit passes an extended 'weather' test) {I NOW HAVE PROOF OF THEIR WEATHER-RESISTANCE -- THAT LAST STAR HAS BEEN ADDED!!!}
MANUFACTURER: Jenesis International
PRODUCT TYPE: Softly glowing "guide light"
LAMP TYPE: Diffused T1 (3mm) white LED
No. OF LAMPS: 1
BEAM TYPE: Wide-angle flood (X=270°, Y=170°)
SWITCH TYPE: N/A
CASE MATERIAL: Plastic
BEZEL: Diffusing ribbed dome to protect LED
BATTERY: 3x AA cells
CURRENT CONSUMPTION: Unknown/unable to measure
WATER- AND URANATION-RESISTANT: Weather-resistant
SUBMERSIBLE: ¡¡¡PARA NO DE LOS MOTIVOS DE PETE!!!
ACCESSORIES: Screws, double-sided tape, mounting bracket
SIZE: 5.75" H x 2.38" W x 1.57" D
WEIGHT: Unknown/not equipped to weigh
COUNTRY OF MANUFACTURE: China
WARRANTY: 1 year
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SIZE
) Deck Marker Light, feed it first (see directly below) and THEN you can go and ***NOT*** fall off the deck at night because you didn't see the edge in the dark.
- now I'm just making {vulgar term for feces} up!!!), let my mother's big dog's ghost, her kitties, my sister's kitty cat, or my own kitty cat piddle (uranate) on it, hose it down with my mother's handgun, run over it with a 450lb Quickie Pulse 6 motorised wheelchair, stomp on it, use a medium ball peen hammer in order to smash it open to check it for candiosity, fire it from the cannoñata, drop it down the top of Mt. Erupto (now I guess I've been watching the TV program "Viva Piñata" too much again 
