Today's Best Smart Detectors & Sensor Deals

Here are today's best deals and price drops on Smart Detectors & Sensors. Knoji's Deal Finder scans prices in real-time and automatically applies discount codes to serve you the lowest prices on the internet.
by Nest
$20.48 $10.89
Lowest price
88% off
Biggest price drop
View deals
Price drop 3h ago
Nest Protect deals
by Kidde
$45.32 $24.52
Lowest price
85% off
Biggest price drop
View deals
Price drop 3h ago
Kidde Smoke & CO Detector deals
$16.67 $8.99
Lowest price
85% off
Biggest price drop
View deals
Price drop 3h ago
First Alert deals
by Leeo
$140
Lowest price
View deals
Price drop recently
Leeo Smart Alert deals
by Roost
View product
Scanning for price drops
View Roost Smart Smoke Alarm
$207 $203
Lowest price
2% off
Biggest price drop
View deals
Price drop recently
First Alert Onelink Safe and Sound deals
by Nest
$20.48 $10.89
Lowest price
88% off
Biggest price drop
View deals
Price drop 3h ago
Nest Protect deals
by Kidde
$45.32 $24.52
Lowest price
85% off
Biggest price drop
View deals
Price drop 3h ago
Kidde Smoke & CO Detector deals
$16.67 $8.99
Lowest price
85% off
Biggest price drop
View deals
Price drop 3h ago
First Alert deals
by Leeo
$140
Lowest price
View deals
Price drop recently
Leeo Smart Alert deals
by Roost
View product
Scanning for price drops
View Roost Smart Smoke Alarm
$207 $203
Lowest price
2% off
Biggest price drop
View deals
Price drop recently
First Alert Onelink Safe and Sound deals