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Qolsys IQ Smoke Detector Sensor (QS5110-840)

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SKU# 3296
Availability: In stock
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1 Year Warranty
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The IQ Smoke is connected to your IQ Panel and monitored 24-7, whether your system is armed or not. The IQ Smoke detects the presence of smoke using photoelectric smoke-sensing technology and conforms to UL 217. The IQ Smoke detects the presence of smoke particles as well as the rapid rise in heat that can come from a fire, even if there is no smoke. Because your system is always connected, you can receive a text or email alert if there are any problems, wherever you are.


  • “Always on” technology ensures the sensor is monitored around the clock, whether your system is armed or not
  • Ultra sensitive smoke sensor prevents false alarms while constantly monitoring
  • Heat sensor detects the rapid rise in heat that comes from a fire - even when there is no smoke (like an electrical fire)
  • Wall or ceiling mounted
  • 3-5 year battery life
  • Power Source: 3 AAA PC2400 Duracell Procell batteries (1.5V 1100mAh) or 3 AAA Energizer E92 batteries (1.5V 1100mAh) (included)
  • Audible Signal (ANSI Temporal 3): 85dBA min. in alarm
  • Sensitivity: 1.5 - 3.5%/foot
  • Supplementary Heat Rating: 135°F
  • Operating Temperature: 40°F - 100°F (4.4°C - 37.8°C)
  • Relative Humidity: 15 - -90% Non-Condensing
  • Dimensions: Diameter 5" x 2.5"D
  • Regulatory Listing: UL 217
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would these working commercial property with less than 100 people.
Yes it should! You may also reach out to a Qolsys rep to make sure the product does indeed fit within your parameters.
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