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First Alert 9120B 120 Volt Hardwired Smoke Alarm With Battery Back Up 5 Pack

4.7 (490) out of 5 stars on Amazon

$110.90

$22.18 each (5 in the pack)

400+ bought last month

The price may change at the store.

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About this product

Store: Amazon
Category: Tools & Home Improvement
Store rating: 4.7 out of 5 (490 ratings)
Sales: 400+ bought in past month

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FAQs about First Alert 9120B 120 Volt Hardwired Smoke Alarm With Battery Back Up 5 Pack

How much is First Alert 9120B 120 Volt Hardwired Smoke Alarm With Battery Back Up 5 Pack?

At our last check, it was $110.90 on Amazon (checked Nov 11, 2026, 12:12 PM ET). Prices can change on the store at any time.

Is First Alert 9120B 120 Volt Hardwired Smoke Alarm With Battery Back Up 5 Pack well rated?

It is rated 4.7 out of 5 stars from 490 ratings on Amazon.

Where can I buy First Alert 9120B 120 Volt Hardwired Smoke Alarm With Battery Back Up 5 Pack?

On Amazon, through the button on this page. On Sale Spot does not sell products directly: the purchase, payment and shipping are handled by Amazon.

What goes well with First Alert 9120B 120 Volt Hardwired Smoke Alarm With Battery Back Up 5 Pack?

People who buy this often also get: 25 in 1 mini screwdriver set, flat head and cross shaped small screwdrivers, suitable for electronic products ($2.21 on AliExpress); 1pc Universal Double Ended Wrench, Self-Tightening 3-17mm Screw Nuts Repair Wrench, Double-Headed Ratchet Spanner, Adjustable ($2.29 on AliExpress); 3pcs HSS Titanium-Coated Spiral Groove Step Drill Bit 4-12 4-20 4-32 Power Tool Step Drill Bits Set Metal Multi-Hole Taper Drill ($6.19 on AliExpress).