$185.15$210.00
Kidde KN-COSM-IBA Hardwire Combination Smoke Carbon Monoxide Detector Battery Backup Voice Warning Interconnectable (2-Pack)
Our #6 pick in interconnected Smoke Detectors
Buy on AmazonKidde Hardwired Smoke Detector Alarm with Front Load Battery Backup: this deal has ended
Amazon no longer reports a saving on this product, or its deal window closed. Prices move through the day, so it may come back; the live home deals are below.
How it ranks in our lineup
Every product from The Best Interconnected Smoke Detectors, with today's Amazon price. Deals are only ever on products from this list.
| # | Product | Our award | Price now | Deal |
|---|---|---|---|---|
| 1 | FIRST ALERT BRK SC9120B-3 Hardwired Smoke and Carbon | Runner-up | $170.61 | no deal today |
| 2 | First Alert SC5 Hardwire Smart Smoke & Carbon Monoxide Alarm | Upgrade pick | $128.98 | no deal today |
| 3 | Kidde Hardwired Smoke Detector Alarm with Front LoadThis deal | Budget pick | $73.00 | no deal today |
| 4 | X-Sense Wireless Interconnected Combination Smoke & CO | Top pick | $149.99 | no deal today |
| 5 | FIRST ALERT Hardwired Wireless Smoke Alarm with | Also great | $76.72 | no deal today |
| 6 | Kidde KN-COSM-IBA Hardwire Combination Smoke Carbon | — | $185.15 | −12% today |
| 7 | Ring Sensors: Smoke & CO Listener (newest model) – Instant | — | $24.99 | −38% today |
More home deals
All home deals →
$199.98$399.99
FEZIBO Triple Motor 63" L Shaped Standing Desk, Electric Standing Gaming Desk Adjustable Height, Corner Stand up Desk with Splice Board, Black Frame/Rustic Brown Top
Budget pick in our review of electric Standing Desks
Buy on Amazon
$89.99$179.99
Ring Floodlight Cam Wired Plus, Outdoor Home or Business Security with Motion-Activated 1080p HD Video and Floodlights, White
Top pick in our review of security Floodlights
Buy on Amazon
$216.57$299.99
YoLink Water Shutoff Kit: Controller + EVO + 3-Pack Sensors + Hub
Top pick in our review of automatic Water Shutoff Valves
Buy on Amazon