$
50
Promo code
Verified
We recommend
Applied 54 times
+1
Promo code
Verified
Applied 94 times
25
%
Special offer
Valid 3 Weeks
Applied 38 times
25
%
Special offer
Valid 3 Weeks
Applied 89 times
Special offer
Applied 73 times
Sign up to receive week deals
Expired, but try! The codes might work
30
%
Special offer
The Special Offer is expired
Applied 40 times
30
%
Special offer
The Special Offer is expired
Applied 81 times
Special offer
The Special Offer is expired
Applied 85 times
30
%
Special offer
The Special Offer is expired
Applied 75 times
When is the best time to buy at Simtek?
The number of promo codes added by month
0
2
4
6
8
10
Jan
1
Feb
2
Mar
2
Apr
2
May
2
Jun
2
Jul
2
Aug
2
Sep
3
Oct
3
Nov
3
Dec
1
How to use a coupon code on Simtek?
-
Select the Simtek promo code
Watch the favored Simtek promo code unfold its beauty as you click on the “Show Coupon” or “Get the Deal” button.
-
Go to simtek.com
Drop by simtek.com to protect your valuables with set-it-and-forget-it devices.
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Choose the needed products
Add the StealthALERT security sensor to the shopping cart.
-
Checkout
View your order in the cart and press “Check Out”.
-
Apply promo code
Inject the “Discount code” box with the saved promo code and press “Apply”.

-
Enjoy shopping
Protect your storage space, gun safe, and more enclosed places with a rock-solid device that offers added peace of mind.
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Why You Can Trust Our Deals
At DiscountReactor, we combine smart AI tools and careful editorial work to show you only accurate "up-to-date" and truly useful offers. AI helps us quickly filter and pre-test coupons, while editors manually check the results, adjust the reliability rating based on confirmed validity and keep the pages clean without unnecessary “noise.”We monitor stores daily, conduct regular manual content reviews, update or remove any problematic coupons within 24 hours on business days. We clearly mark coupons as "Verified", "Expired" or "Editor's Choice" work with partner stores on content accuracy, and always put your interests first by showing only fresh and working offers without unnecessary clutter.