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Qolsys IQ DW MINI-S Door Window Sensor QS1135-840 S-Line Wireless 319.5MHz

Marsoni M251S
Sale price$23.89
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Get it in 3 business days with 1 day shipping. Friday, May 29
Qolsys IQ DW MINI-S Door Window Sensor QS1135-840 S-Line Wireless 319.5MHzTap here for more details on Qolsys IQ DW MINI S Door Window Sensor QS1135 840 S Line Wireless 319. 5MHz Secure your home with the Qolsys IQ DW MINI S Door Window Sensor (Model QS1135 840), a compact and discreet security device designed to work seamlessly with Qolsys IQ Panels. This sensor uses 319. 5 MHz S Line encrypted signals for secure wireless communication, making it a reliable choice for modern home security systems. Key Features: Ultra
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 2424 reviews
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Product Reviews
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Verified Purchase
SickboySD
Houston, US
★★★★★ 5
Replacement parts
Size: 19 Pcs for eufy L60/ L50 Series
Good replacement parts pack. This will last you a while.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 6, 2026
L
Verified Purchase
Luis Estuardo Lima
Dallas, US
★★★★★ 5
It si the right fit
Size: 19 Pcs for eufy L60/ L50 Series
It si working perfectly fine it fit like a glove
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 28, 2026
D
Verified Purchase
dawn swiney crowe
Carnegie, US
★★★★★ 5
Top notch price buster
Size: 11SMax-24Pack
Perfect fit, Perfect quality replacement and great deal!!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 25, 2026
J
Verified Purchase
Jon J Ceresa
Los Angeles, US
★★★★★ 5
Fits perfectly on my Dyson.
Size: 11SMax-24Pack
Fit perfectly. Work great. Improves your suction and cleaning power back to new. Good price. Fast shipping.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 28, 2026
M
Verified Purchase
Mark
Cuba, US
★★★★★ 5
good
Size: 11S-25Pack
It doesnt feel like the original Eufy Brand but still very good.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 11, 2026

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