CheckMate Semen Detection Kit

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  • Detects semen on undergarments, bedding
  • Doesn’t leave any traces of use
  • Patented technology in the USA
  • Contains 10 test kits

  • The Low-Cost Way Of Catching Infidelity

    The Checkmate kit has been around for over 10 years, and it’s still one of the most effective ways of detecting infidelity. Lately, it’s also been an effective tool for catching a teen’s sexual activity.

    The detection kit comes with 10 tests that you can use on underwear or bedding. All you need to do is take the fabric, use the test kit, and you’ll get a conclusive result. There are no false positives to worry about - it’s 100% accurate.

    The only rule for using Checkmate: if checking for infidelity, you must abstain from sex with your partner. These tests can detect semen, but it can’t tell you who it’s from, so you’ll need to abstain.

    Each test takes only a few minutes and leaves no trace of evidence of use on the fabric. Tests can detect semen from up to 7 days prior. There’s a detailed instruction guide in every box that will take you step-by-step through the process.

    For more details, hit our ‘How It Works’ tab at the top.

  • Here's How It Works

    Each test is essentially a piece of thin paper, somewhat like a coffee filter. There are 10 tests in the kit, along with 2 bottles of different fluid, and 2 droppers.

    Take a dropper, and remove a small amount of liquid from the 1st bottle. Drop the fluid onto the fabric you want to test; if you see a stain on the fabric, drop the fluid directly on it. Then, take a test paper and press it against the wetted fabric. Any semen will be transferred to the paper.

    After a few moments, you’ll take liquid from the 2nd bottle and drop it onto the test paper. If it turns purple, there’s semen on the fabric. If it doesn’t change color, the test is negative.

  • What's In The Box:

    • 10 semen detection kits
    • Instruction manual

  • Expert Advice

    This is always an awkward product to talk about, but it serves a real purpose. It gets the answer you need - is your wife cheating on you?

    It’s accurate, one of the most affordable ways of catching a cheating spouse, which explains why it’s popular with our customers.

    - SpyGuy

Customer Reviews

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  • Reviews (17)
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Olaf L

CheckMate Semen Detection Kit

It actually contains only double tests. Deviding test powder in to 5 portions is a job for a pharmacist.

Richard M

CheckMate Semen Detection Kit

The product I purchased works just fine for what I need it for. Thank you again. I look forward to purchasing other items in the future.

John M

CheckMate Semen Detection Kit

_�ԍ_�ԍ_�ԍ_�ԍ excellent


CheckMate Semen Detection Kit

Thanks to checkmate I now have proof of my wife's infidelity. She has been denying it for years. It's such a blessing knowing that I was right and she is a liar. Thank you checkmate.


CheckMate Semen Detection Kit

On point


CheckMate Semen Detection Kit

Does exactly what it supposed to. Dead on.


CheckMate Semen Detection Kit



CheckMate Semen Detection Kit

If this were a fishing plug it would be the best in the world. I CAUGHT MY CHEATER ON THE FIRST CAST THANK YOU VERRY MUCH. GREAT SERVICE


CheckMate Semen Detection Kit

I purchased this product having not known it existed until recently. Although the process is simple, it was a little bit harder to understand when I first read the paper that detailed the process. I was able to perform the mixture, but it took around 5 times to get correct. It is good that there are many kits to test. It did what it said it would do, and my suspicions have been confirmed.


CheckMate Semen Detection Kit

Bought this with the GPS Tracker and I am glad I did. Both work very well and I'm glad I did it.Both items came in a brown envelope and the shipping label was secure. Thanks for being mindful of this detail.