OneShotOneKill Weapons Laser Aimer, retail $79.99 (
Manufactured by Sunclear (
Last updated 07-12-06

(In reference to the package I received from J.F. around 2:20pm PDT on 06-29-06):
{sung like the Foreigner song "Feels Like the First Time"}
Feels like a flaaaaaash-liiiight...feels like a FLAAAA-aaaash-liiiight!!!
Feels like a flaaaaaash-liiiight...feels like a FL

BREAK IN 12288


Let's try that soon as I saw the address on the package, I *knew* it wasn't a flashlight...

Feels like a laaaaaa-sssser...feels like a LAAAAA-aaaaa-ssser!!!
Feels like a laaaaaa-sssser...feels like a LAAAAA-aaaaa-ssser!!!

This is a green (DPSS) laser aiming device that attaches to a gun. Until recently, all laser aiming devices for guns used red lasers; this is just the third commercially-available green laser aimer that I am aware of.

It is constructed primarily of aluminum, and is rated to output 12mW of green laser radiation.

You can use it with the included tape switch on a coily elastic cord; this cord measures approximately 18" in length when extended.


I do not own or have access to a gun, so I am not prepared to tell you how to mount it to a pistol/rifle or align it.

To turn the unit on, squeeze and hold the tape switch. Release the tape switch to turn the laser aimer off.

To change the battery in this product, unscrew and remove the tape switch & tailcap (the tape switch and tailcap appear to be integrated as one assembly), throw it in the {vulgar term for feces}bowl, yank that silver handle on the cistern down, and flush it away...O WAIT!!! YOU'LL NEED THAT!!! So just set it aside instead.

Tip the used CR123A cell out of the barrel and into your hand, and dispose of or recycle it as you see fit.

Insert a new CR123A cell into the barrel, flat-end (-) negative first. This is the opposite of how batteries are installed in most flashlights, so please pay attention to polarity here.

Screw the tape switch assembly *firmly* back on, and be done with it.
Aren't you glad you didn't flush away that tape switch assembly now?

Current usage measures 295mA on the Panasonic CR123A cell it was furnished with.

This is a laser aiming device, not a flashlight. So I won't throw it against the wall, stomp on it, try to drown it in the toilet bowl or cistern, run over it, swing it against a large, hard object, or inflict upon it punishments that flashlights may have inflicted upon them. So this section of the laser's web page will seem a bit more bare than this section of the web page on a page about a flashlight.

I was given the red light to do "The Smack Test" (that simply means I have been asked not to do it because the product would probably become broken). It also failed "The Suction Test" (to help determine level of water-resistance) rather miserably, so I won't be reaching for the lid to the cistern to water-test this product. So the OneShotOneKill laser weapons sight is not waterproof or even very water-resistant - users should be careful to not drop their OneShotOneKill laser-equipped gun into water - deep or shallow.

Green diode lasers are a lot different than those common red lasers you see all the time.

In a 640nm red laser pointer, there's a red-emitting diode and a lens to collimate (focus) the beam.

In a 532nm green laser (pointer, aimer, or larger modules), there's a BIG infrared laser diode that generates laser light at 808nm, this is fired into a crystal containing the rare-earth element "neodymium". This crystal takes the 808nm infrared light and lases at 1064nm (yes, deeper in the infrared!). This 1064nm laser light comes out of the NdYV04 (neodymium yttrium vanadium oxide) crystal and is then shot into a second crystal (containing potassium, titanium, & phosphorus, usually called KTP) that doubles the frequency to 532nm - the bright green color you see. This light is then collimated (focused) by a lens and emerges out the laser's "business end". Just before the lens, there's a filter that removes any stray IR (infrared) rays from the pump diode and the neodymium crystal. You don't want that stuff in your green beam, trust me. :-)

This is why green diode lasers are so much more expensive than red ones. Lots of itty bitty parts, and they all need to be aligned by hand. If the polarisation is "off", one or both crystals need to be turned. With red diode lasers, you just slap in the diode and slap a lens in front of it.

Because I do not own or have access to a gun, I cannot demonstrate how this product might be used with one.

Power output measures 10.26mW (milliwatts) on a laser power meter designed for this purpose.

Beam photograph on the test target at 12".
Beam image bloomed on this photograph; it is significantly smaller and not white in reality.
Measures 10.26mW on a laser power meter.

Beam photograph at ~10 feet.
Beam image also bloomed on this photograph; it is significantly smaller and not white in reality.

Those rectangular graphic things near the top are marquees from:
Midway ''Omega Race''
Sega ''Star Trek''
Williams ''Joust''
Venture Line ''Looping''
Universal ''Mr. Do!'s Castle''
Jaleco ''Exerion''
Gremlin/Sega ''Astro Blaster''
Atari ''Tempest''

upright coin-op arcade video games from the 1980s.

And that red star thing on the marquees is from an American DJ Laser Widow.

Test unit was furnished as a loaner from J.F. and was received on the afternoon of 06-29-06.

The Sunclear website is in Japanese script-style characters; if you cannot read this language, run it through the translation matrix of your choosing.

Product was made in Japan. 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

Durable construction
Bright enough to "dot" even fairly distant targets

Laser power is higher than might be desired; armed human target could follow the beam back to you and hose you down with his gun
Not water-resistant

    MANUFACTURER: Sunclear
    PRODUCT TYPE: Laser weapon sight
    LAMP TYPE: Green DPSS laser
    No. OF LAMPS: 1
    BEAM TYPE: Very narrow spot (it's a laser, remember?)
    SWITCH TYPE: Tape switch momentary on/off
    BEZEL: Metal; output lens inset into hosel for it
    BATTERY: 1xCR123A cell
    ACCESSORIES: 1 battery, tape switch, universal gun mount, hex key
    WARRANTY: Unknown/TBA


    Star RatingStar Rating

OneShotOneKill Green Weapons Laser Aimer *

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