Price History for Qolsys QS1431-840 IQ Wireless S-Line Encrypted Glass Break Sensor
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Qolsys QS1431-840 IQ Wireless S-Line Encrypted Glass Break Sensor
Know when an intruder breaks your window by installing the Qolsys IQ Wireless S-Line Encrypted Glass Break Sensor (AKA the IQ Glass). Used with any compatible control panel/receiver (319.5 MHz wireless frequenc
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Price History Chart
Recorded price history
| Date | Price |
|---|---|
| Jun 11, 2026 | $99.99 |
| Jun 9, 2026 | $62.97 |
| Jun 8, 2026 | $99.99 |
| May 12, 2026 | $62.97 |
| May 9, 2026 | $89.99 |
| Apr 21, 2026 | $62.97 |
| Jan 24, 2026 | $89.99 |
| Jan 9, 2026 | $89.99 |
| Dec 5, 2025 | $89.99 |
| Nov 28, 2025 | $89.99 |
Analysis
Qolsys QS1431-840 IQ Wireless S-Line Encrypted Glass Break Sensor price analysis
Price analysis for Qolsys QS1431-840 IQ Wireless S-Line Encrypted Glass Break Sensor at Walmart: Today's price is $99.99. Current price is 20% above the 90-day average of $83.18 (a $16.81 above the running mean).
- Current price is 20% above the 90-day average of $83.18 (a $16.81 above the running mean).
- The lowest recorded price on PriceWatchPro was $62.97 on April 21, 2026. That's $37.02 below today's price.
- The highest recorded price on PriceWatchPro was $99.99 on June 8, 2026.
- Across 9 tracked price changes, the listing has dropped 3 times with an average drop of $30.35.
- PriceWatchPro has been tracking this listing since November 28, 2025 (251 days of price history).
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