10 Best Smoke Detectors of November 2021

  1. Product Highlights
    • ✅keep your family safe with this battery operated smoke and carbon monoxide alarm; battery powered alarms provide continuous monitoring of co and smoke levels, even if there's a power failure. features an electrochemical sensing technology and a photoelectric sensor that detects the larger particles of a smoldering fire. please thoroughly read product description and th...
    • ✅ 2 * aa battery-operated unit installs quickly and easily without an electrician, can connect to other compatible detectors, to ensure all alarms will sound when threat is detected(battery not included)
    • ✅test this alarm first, how to test it(3 steps): 1. install the batteries in clean air, then press the test button for five seconds to test the unit electronics, beeps will sound if it's normal; 2. leave it in clean air for one minute; 3. put it into a sealed bag, spray some smoke or co gas into the bag and seal it. waiting for about one minute, the alarm will go off if...
    • ✅indicator lights on the face of the unit display the presence of smoke and carbon monoxide, while an 85db beeps siren provides a clear, loud warning upon detection
    • ✅dimensions: 4 * 4 * 1.5 inch. simple to use, note: when installation please follow the circular arrow direction that marked on the product for rotating the mounting base/bracket: press down and twist; do not install it in kitchens/garages/furnace room/bathrooms. a single button tests the unit or silences the alarm. low battery signal mute, quiets low battery signal for...
  2. Product Highlights
    • ►【safety and visible】 carbon monoxide alarm detector with 3 digits lcd displayer is optional,'err' on the lcd to indicate the unit is malfunctioning. 'lb' on the lcs to indicate it low battery and need to replacement. '999ppm' on the lcd to indicate co level over 999ppm and loud 85 decibel alarm with led flash while in the alarm mode for the life-saving safety, protect ...
    • ►【easy installation and widely used】simple to use, dimensions: 4 * 4 * 1.5 inch. co detector coming with mounting accessories, just drill holes in appropriate positions, and done; used for bedroom, kitchen, living room and any other area with a risk of fire danger can be installed a smoke detector and co alarm.
    • ►【high sensitive & quick responsive】build-in carbon monoxide detector chip and the electrochemical sensor, enough to detect odorless invisible and deadly carbon monoxide in the air, quick reaction to save your life in the first time when fire hazard occurs. —【✅note: in normal condition, lcd is not lit for saving energy (enter the standby state, and still keep detecting/...
    • ►【alarm warning】when a dangerous level of carbon monoxide is detected the red led will flashes and a loud alarm pattern will sound--loud 85 decibel alarm with led flash.
    • ►【energy saving】3 * 1.5v aa battery powered co detector (battery not included), low current consumption, ultra-long standy time. 12 months worry-free product guarantee, please contact seller first once you have any questions.
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