SITERLINK Smoke Detectors with 9V Replaceable Battery UL217 GS509A 4 Pack

• SITERLINK Smoke Detectors
• REDUCE FALSE ALARMS, ENSURE ACCURACY: the use of dual light wave detection technology, can accurately determine the smoke generated by non-fire, this smoke alarm will be on the temperature, humidity, dust or other changes in the independent AI learning to compensate for the maintenance of constant sensitivity, reduce the rate of false alarms.
• ONE BUTTON MUTE 10 HOURS, REDUCED DISTURBANCE: No more worrying about sudden low voltage and faulty alarm sound,we have 10 hours mute function, when we are sleeping or can't deal with it in time, press the test/silence button, you can prolong to change the batteries or deal with the cause of the false alarm.
• QUICK AND EASY INSTALLATION: Battery operated smoke alarms require no rewiring and can be installed in seconds using the included 3M Sticker or easily mounted on a wall or ceiling using the included screws, anchors and mounting brackets. Please do not install in damp, drafty, covered areas.
• TRUSTED SMOKE ALARM: According to statistics, a fire occurs every 38S in the U.S. Installing professional smoke alarms is important for preventing fires, improving survival rate and safeguarding life and property.
• Please reach out if you have any questions; we are here to provide support at any time

Specifications

• Style: Replaceable Battery(NEW)
• Power Source: Battery Powered
• Color: white
• Product Dimensions: 1.4"D x 3.92"W x 3.92"H
• Item Weight: 9.6 ounces
• Alarm: Audible
• Upper Temperature Rating: 122 °F
• Sensor Type: Photoelectric
• Material: Plastic
• Number of Items: 100
• Item Highlight: Photoelectric Sensor Smoke Alarms with Test-Silence Button,Fire Detectors for Home,House
• Built-In Media: BATTERY, magnetic pads, screws and anchor plugs