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Item #:
83211691
Qolsys QS1134-840 IQ Wireless S-Line Encrypted Recessed DoorWindow Sensor
89% of respondents would recommend this to a friend
Item #:
83211691
XCD 156
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Order now and get it around Sunday, September 27
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Monitor a door or window without letting potential intruders know by installing the Qolsys IQ Wireless S-Line Encrypted Recessed Door/Window Sensor.
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What Stands Out
Wireless Encryption
Offers robust security with advanced wireless encryption, ensuring your home is protected against unauthorized access and tampering.
S-Line Compatibility
Designed to seamlessly integrate with the Qolsys IQ Panel, providing an efficient, hassle-free setup for contemporary home security systems.
Recessed Design
The discreet recessed design blends seamlessly into doors and windows, enhancing aesthetic appeal while maintaining high-performance security monitoring.
Product Details
| Brand | Qolsys |
| Color | White |
| Power Source | Battery Powered |
| Maximum Range | 600 Feet |
| Mounting Type | Door Mount |
| Battery Description | 3V CR2 (x1) |
| Compatible Devices | GE/Interlogix, Qolsys IQ |
| Number of Batteries | 1 CR2 batteries required. |
| Operating Temperature | 14 Degrees Celsius |
| Recommended Uses For Product | Home Automation, Home Security |
| Manufacturer | Qolsys |
| Smart Home Compatibility | Smart Home Compatible |
| UPC | 854545006948 |
| Package Dimensions | 2.72 x 1.5 x 1.06 inches (6.9 x 3.8 x 2.7 cm) |
| Item Weight | 1.44 ounces (40.82 grams) |
| Item model number | QS1134-840 |
| Batteries | 1 CR2 batteries required. |
| Is Discontinued By Manufacturer | No |
| Date First Available | May 29, 2018 |
Who Should Buy?
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Homeowners
Ideal for homeowners seeking discreet security solutions for doors and windows without visible hardware intrusion.
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Security Installers
Perfect for security professionals looking to provide reliable and encrypted solutions for residential properties.
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Tech Enthusiasts
Great fit for tech-savvy users who appreciate advanced features such as wireless encryption and smart home compatibility.
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Budget-Conscious Buyers
Not suitable for those seeking low-cost security options, as premium features may come at a higher price.
Product Description
Qolsys QS1134-840 IQ Wireless S-Line Encrypted Recessed DoorWindow Sensor
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Customer Questions & Answers
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Question:
What is the Qolsys QS1134-840 IQ Wireless S-Line Encrypted Recessed Door/Window Sensor?
Answer: The Qolsys QS1134-840 is a cutting-edge wireless sensor designed to monitor doors and windows. It's engineered with advanced encryption technology to ensure secure communication with your home security system. The recessed design offers a discreet installation, making it ideal for maintaining the aesthetic of your home. This sensor effectively alerts you when a door or window is opened, enhancing your overall security. -
Question:
How does the encryption feature work in the Qolsys QS1134-840?
Answer: The encryption feature in the Qolsys QS1134-840 protects your data from unauthorized access. It uses S-Line encrypted communication, which ensures that signals sent from the sensor to your security system are secure and tamper-proof. This high level of encryption makes it challenging for intruders to intercept or manipulate signals, providing peace of mind when it comes to your home security. -
Question:
Can I install the Qolsys QS1134-840 sensor by myself?
Answer: Yes, the Qolsys QS1134-840 is designed for simple installation, allowing most homeowners to set it up independently. The sensor is recessed, meaning it fits neatly inside the door or window frame, minimizing its visibility. Follow the provided installation instructions carefully, and with basic tools, you can secure your home without needing professional assistance, making it a practical choice for DIY security solutions. -
Question:
What type of battery does the Qolsys QS1134-840 use?
Answer: The Qolsys QS1134-840 operates on a long-lasting lithium battery. This battery provides extended life while ensuring consistent performance. It's designed to be easily replaceable, allowing you to maintain the sensor's functionality without hassle. Depending on usage conditions, battery life varies, but regular check-ups can prevent unexpected downtime. -
Question:
Is the Qolsys QS1134-840 compatible with other home security systems?
Answer: The Qolsys QS1134-840 is primarily designed to work seamlessly with the Qolsys IQ Panel and other S-Line devices. However, if you're considering integrating it with a different system, it's crucial to check compatibility beforehand. This flexibility allows homeowners to expand their security setup while ensuring the effectiveness and efficiency of their surveillance efforts. -
Question:
What is the effective range of the Qolsys QS1134-840 sensor?
Answer: The effective range of the Qolsys QS1134-840 sensor typically extends up to 600 feet line-of-sight. This range allows for versatile installation in normal home settings, ensuring that sensors can be placed strategically throughout your property. However, obstructions such as walls can reduce this range, so consider placement to maximize coverage and efficiency. -
Question:
Will the Qolsys QS1134-840 alert me if there is a security breach?
Answer: Yes, the Qolsys QS1134-840 is designed to immediately alert you of any unauthorized entry through doors or windows. When the sensor detects movement, it sends a signal to your home security system, which can trigger alarms or notifications. This timely alerting system is essential for protecting against intruders, helping ensure you remain informed and safe. -
Question:
How do I test the functionality of the Qolsys QS1134-840 sensor?
Answer: Testing the Qolsys QS1134-840 sensor is a straightforward process. To ensure it's working correctly, install it and then intentionally open and close the corresponding door or window. Observe your security panel or app for alerts confirming detection. Regular testing helps guarantee that your security system remains functional and effective, providing you with reliable peace of mind. -
Question:
What features make the Qolsys QS1134-840 a good choice for home security?
Answer: The Qolsys QS1134-840 offers several key features that enhance home security, including wireless installation, encrypted communication, and a discreet recessed design. This makes it aesthetically pleasing while ensuring your space remains secure. Its quick installation and reliable performance make it ideal for both new and existing security systems, providing flexibility and peace of mind. -
Question:
Where can I buy Qolsys QS1134-840 IQ Wireless S-Line Encrypted Recessed Door/Window Sensor?
Answer: You can purchase the Qolsys QS1134-840 IQ Wireless S-Line Encrypted Recessed Door/Window Sensor from Ubuy in Montserrat. Ubuy offers a user-friendly shopping experience and reliable service, making it easy to find and secure this advanced sensor for your home security needs.
Qolsys Home Security Systems QS1134-840 Editorial Review
The Qolsys QS1134-840 IQ Wireless S-Line Encrypted Recessed Door/Window Sensor is well-received by customers for its sleek design and practicality, particularly for those needing a discreet security solution. Users appreciate its effective functionality, as it offers good range and reliable connection to various alarm systems, including Frontpoint, which was a major highlight for many reviewers. Installation seems to be straightforward, with the ability to conceal the sensor in door frames being a desired feature for several users, making it aesthetically pleasing compared to traditional options. Buyers noted that the sensor works effectively, with many reporting no connection issues and praising its performance. However, a few customers experienced connectivity problems, indicating that while the sensor has a generally strong reliability, there are sporadic concerns that potential buyers should be aware of. Despite being perceived as somewhat pricey for an add-on sensor, the investment is often justified by its encryption features and compatibility with the Qolsys panel. Overall, the Qolsys IQ Door/Window Sensor stands out for its design, ease of installation, and effective performance, appealing particularly to users who prioritize appearance in addition to function. **
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Pros
- Discreet and aesthetically pleasing design
- Easy installation process
- Reliable connectivity for most users
- Good range and performance
- Compatible with Frontpoint and Qolsys systems
Cons
- Higher price point compared to other add-on sensors
Platform Trust & Buyer Confidence
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Jazz
Verified buyer
“Easy to use and always helpful and sorts any issues I've had past and present”
1 September 2026 · via Trustpilot
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“I always receive support when I engage customer service. Overall my experience with UBUY has been top notch. Keep up the good work.”
31 August 2026 · via Trustpilot
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XCD 156
Order now and get it around Sunday, September 27
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Features & Benefits
- Nearly invisible installation for discreet security.
- Battery-powered with no wiring required for easy setup.
- Compatible with various control panels, including GE/Interlogix and Qolsys IQ.
- S-Line encryption secures signals from potential intruders.
- Intelligent notifications alert you of door/window status, like 'door left open'.
- Wireless range extends up to 600 feet from the control panel.
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