Smoke Detector Fire Alarm, 2 Packs Photoelectric Smoke Detectors with UL Listed, 9V Battery Operated Smoke Detector (9V Battery Included), 10 Years Life Time, Fire Safety for Home, Hotel, School etc - -

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Price USD:$21.49*


Price history

*Amazon Price Tracker! The indicated cost of $21.49 may have already changed. Check the current price - >

Date Minimum price Maximum price Average cost
Aug-05-2022 $27.64 $28.72 $27.5
Jul-05-2022 $22.84 $22.41 $22
Jun-05-2022 $26.41 $27.74 $26.5
May-05-2022 $26.96 $27.46 $26.5
Apr-05-2022 $21.59 $21.90 $21
Mar-05-2022 $26.87 $27.68 $26.5
Feb-05-2022 $25.78 $26.36 $25.5
Jan-05-2022 $25.70 $26.50 $25.5


Fulfillment by Amazon (FBA) is a service we offer sellers that lets them store their products in Amazon's fulfillment centers, and we directly pack, ship, and provide customer service for these products. Something we hope you'll especially enjoy: FBA items qualify for FREE Shipping and Amazon Prime.If you're a seller, Fulfillment by Amazon can help you grow your business. Learn more about the program. UL217 Certification ,Compared to non-UL certified smoke alarms, you can use our smoke alarms with greater confidence and safety. This is a photoelectric smoke alarm. Photoelectric technology is optimized to detect slow smoldering fires which generate light smoke, little heat and may smolder for hours before bursting into flames. Photoelectric Smoke Alarm features a loud 85-decibel horn. The alarm horn is loud & send clear warning to alert individuals to a potential danger. Help them to escape early. Sound Pattern: Temporal 3(BI 0.5s - pause 0.5s -BI 0.5s - pause 0.5s - BI 0.5s - pause 1.5s) Proper placement of smoke alarms and regularly cleaning are very important. If you buy this alarm for house use, we recommend it be located near sleeping area, where it can wake you if you are asleep. Additional smoke alarms on every level and in every bedroom provide extra protection against fire hazard. Installation Notes: Turn the alarm body counterclockwise and take off the bracket. Hold the bracket in the installation position as specified in the Recommended Locations, mark installation holes of the bracket with pencil. Drill the two marked installation holes with a 3/16 inch (5mm) drill bit. Tap the two plastic grommets into holes with hammer. Mount the bracket to the ceiling by inserting and tightening the supplied screws into plastic grommets. (Refer to Diagram 7). Connect the battery to power connector. Fix the battery into battery box. Fit the alarm on the bracket and turn the alarm body clockwise, until fully inserted on the bracket. WARNING: To prevent injury, this unit must be securely attached to the wall or ceiling in accordance with the installation instructions. Home fire starts every 83 seconds! That's why we need a smoke alarm? Photoelectric sensor smoke alarm to kill the fire at the beginning. Widely Used:The Photoelectric Smoke and Fire Alarm is applicable to Company, Factory, Hospital,Shopping Mall, Hotel, School, Housing,Warehouse,Etc 9 volts

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