



Important Note – The Qolsys QS5110-840 requires connection to a compatible control panel/receiver (319.5 MHz wireless frequency). Install the Qolsys IQ Wireless Smoke & Heat Detector (IQ Smoke) to receive fire alerts. This battery-powered detector works with compatible 319.5 MHz control panels/receivers like GE/Interlogix or Qolsys IQ Panels. It uses a photoelectric sensor to detect smoke and an integrated heat sensor to detect rapid heat increases. The “Always on” technology ensures 24/7 monitoring, even if the system is unarmed. The detector mounts easily with included screws. This device meets all California state regulations and building code requirements for residential smoke alarms. SPECS – powered by 3 AAA batteries (included) with a 3-5 year battery life, features a 319.5 MHz transmitter frequency, 600 ft wireless signal range, 85dBA audible signal, 1.5-3.5% per foot sensitivity, 135F heat rating, operates within 40F-100F and 15-90% relative humidity, measures 5″x2.5″, and is UL 217 listed with FCC, IC approvals, and a 1-year warranty.
Is Discontinued By Manufacturer : No
Package Dimensions : 5.31 x 5.16 x 2.83 inches; 7.36 ounces
Item model number : QS5110-840
Batteries : 3 AAA batteries required. (included)
Date First Available : September 5, 2018
Manufacturer : Qolsys
ASIN : B0147RZ93E
Best Sellers Rank: #58,756 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #67 in Smoke Detectors & Fire Alarms
Customer Reviews: 4.3 4.3 out of 5 stars (172) var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
Sensor Features – Includes a photoelectric smoke sensor and an integrated heat sensor. Detects smoke particles and rapid rise in heat, sending an alarm even if smoke does not reach the detector.
Compatibility – Requires connection to a compatible control panel/receiver (319.5 MHz wireless frequency), such as a GE/Interlogix Panel (NetworX, Simon, etc.), Qolsys IQ Panel, Leviton 64-Zone Receiver for GE/Interlogix, Elk M1 Wireless Receiver for GE/Interlogix Crystal Transmitters, or other legacy 319.5 MHz system.
Detection/Alerts – Sounds a loud built-in siren and sends notifications to the control panel when smoke or heat is detected. Offers texts with Alarm.com with subscription. Triggers alerts for tamper, tamper restore, alarm, alarm restore, low battery.
Installation and Range – Battery-powered with no wiring required. Offers wireless range up to 600 feet from the panel. Designed to protect up to a 70-foot area and easily mounts with included screws.
Additional Features – Tricolored LED indicator for status. Hush button silences sounder during alarm. Comes with smoke detector, pre-installed batteries, screws & anchors, labels, and instructions.




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