Qolsys IQ Smoke Detector Sensor (QS5110-840)

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