QOLSYS QS5535-840 Iq Sensor Magnet Screws 319.5

( Brand: Qolsys ), ( Manufacturer Part Number: QS5535-840 ), ( Type: Door Window Sensor ), ( Connectivity: Wireless )

Review QOLSYS Iq Temp s Sensor Mhz Only No Magnet Or Screws

Introducing the Qolsys QS5535-840 IQ Temp-S Sensor, a versatile and intelligent addition to your home security system. This sensor, which utilizes the 319.5 MHz frequency, is specifically designed to detect both temperature changes and magnetic contact, making it an excellent choice for monitoring doors or areas where both temperature and entry are concerns.

The IQ Temp-S Sensor boasts a sleek, modern design with a white, glossy finish that blends effortlessly into any decor. It measures approximately 2.5 inches long by 2 inches wide by 0.7 inches high, making it compact enough to be placed in discreet locations.

The primary function of this sensor is temperature monitoring. It is capable of detecting temperature changes within a range of 32 F to 118 F (-0.6 C to 47.8 C). This feature can be particularly useful for ensuring the safety and comfort of elderly family members, young children, or pets by monitoring temperature in their living spaces.

Additionally, the IQ Temp-S Sensor serves as a magnetic contact sensor. This means it can be used to monitor doors and windows, alerting you when they are opened unexpectedly. The sensor comes with four screws for mounting the 319.5 magnet to the door or window frame, ensuring a secure and reliable connection.

Installation of the IQ Temp-S Sensor is a breeze. It is designed to be easily integrated with most home security systems, providing peace of mind and an added layer of security to your property. To install, simply remove your existing sensor, attach the provided 319.5 magnet to the door or window frame using the included screws, and place the IQ Temp-S Sensor in its intended location. Once the sensor is placed, it will automatically sync with your security system.

The Qolsys QS5535-840 IQ Temp-S Sensor offers a high degree of customization, allowing you to set temperature thresholds and receive notifications via email, text message, or through your security system's mobile app. This gives you the ability to stay informed and respond quickly to any potential issues.

In conclusion, the Qolsys QS5535-840 IQ Temp-S Sensor is an essential and versatile addition to your home security system. Its ability to detect both temperature changes and magnetic contact makes it a valuable tool for ensuring the safety and comfort of your loved ones and property. With its sleek design, easy installation, and customization options, the IQ Temp-S Sensor is a must-have for any home security system.

The Qolsys iQ Temp-S Sensor 319.5 (model number QS5535-840) is a wireless temperature and motion sensor designed for use with Qolsys IQ Panel 2 and IQ Panel 2 Plus security systems. This sensor offers both temperature monitoring and pet-friendly motion detection, making it a versatile addition to your home security setup. Here are some pros and cons of buying this sensor:

1. Temperature and Motion Sensing: The sensor can detect both temperature changes and motion, making it a 2-in-1 device that can provide additional security and comfort to your home.

2. Pet-Friendly Motion Detection: The motion detection feature is pet-friendly, meaning it can ignore the motion of pets up to 40 pounds, reducing false alarms.

3. Wireless Design: The sensor operates wirelessly, making it easy to install and place in various locations around your home without the need for hardwiring.

4. Battery Operated: The sensor is battery-operated, providing backup power during power outages and eliminating the need for constant power cords.

5. Compatibility: The sensor is compatible with Qolsys IQ Panel 2 and IQ Panel 2 Plus security systems, ensuring seamless integration.

1. Limited Temperature Range: The temperature range of the sensor is relatively narrow, with a minimum temperature setting of 40 F and a maximum temperature setting of 100 F.

2. Potential False Alarms: While the pet-friendly motion detection feature reduces the likelihood of false alarms, it is still possible for the sensor to trigger a false alarm due to extreme temperature changes or other factors.

3. Limited Installation Options: The sensor must be installed within a certain range of the IQ Panel 2 or IQ Panel 2 Plus to ensure proper communication between the devices.

In conclusion, the Qolsys iQ Temp-S Sensor 319.5 is a versatile and convenient addition to a Qolsys IQ Panel 2 or IQ Panel 2 Plus security system. Its temperature and motion sensing capabilities, pet-friendly motion detection feature, wireless design, and battery operation make it a valuable investment for homeowners seeking to enhance their home security and comfort. However, its limited temperature range and potential for false alarms are important considerations to keep in mind.

Recommendation: If you are looking for a wireless temperature and motion sensor for your Qolsys IQ Panel 2 or IQ Panel 2 Plus security system and are willing to accept the limitations of the temperature range and potential for false alarms, the Qolsys iQ Temp-S Sensor 319.5 is a solid choice. However, if you require a wider temperature range or a more robust motion detection feature, you may want to consider alternative options. Ultimately, the decision to purchase the sensor depends on your specific needs and preferences.

Details:

Ideal for monitoring doors and windows to enhance security convenience in residential settings. This sensor operates on the 319.5 MHz frequency and does not include a magnet or screws for installation. With the trusted QOLYS brand and specific model number, this sensor offers quality compatibility with various home security systems. NO MAGNET OR SCREWS JUST WINDOW SENSOR The QOLYS QS5535-840 IQ Temp-S Sensor is a wireless door/window sensor that provides reliable detection for home surveillance and smart systems.

part #: qs5535840 prices

• $17.75-$80.00

specifications secimotions:

• brand: Qolsys
• mpn: Qs5535-840
• type: Door Window Sensor
• connectivity: Wireless

offer secimotions:

• sold: 0
• started: December 23, 2025
• availability: In Stock
• options: Ship-to-home
• quantity: 1
• best offers: True

general secimotions:

• Surveillance Smart Home Electronics > Home Surveillance > Sensors Motion Detectors
• condition: Used

seller secimotions:

• rating: 97.2%
• # reviews: 63
• city: Hampton Bays, New York

shipping secimotions:

• type: Calculated
• transit: 4-10 Days
• cost: $5.24
• carrier: USPS
• class: Standard
• service: USPS Ground Advantage

returns secimotions:

• policy: No Returns

payments secimotions:

• other
• credit card: Diners-club
• wallet: Google-pay

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