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Smart Motion Sensors(908)
Explore smart door and window sensors from leading security brands.
Merkury Innovations Smart Wi-Fi Door/Window Sensors - 2 Pack 
$39.98
current price $39.98Merkury Innovations
Merkury Innovations Smart Wi-Fi Door/Window Sensors - 2 Pack33.6667 out of 5 stars. 3 reviews
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Google Nest Temperature 
Best seller
$49.98
current price $49.98Google Nest
Google Nest Temperature24714.8717 out of 5 stars. 2471 reviews
Free delivery, in 2 days
X-Sense Wireless Smoke Detector Carbon Monoxide Detector Combo 10 Year Battery Alarm With Display, Over 820 ft Transmission Range, SC07-W, 3-Pack You save $22.00
Now $43.99
current price Now $43.99, Was $65.99$65.99
You save$22.00
X-Sense
X-Sense Wireless Smoke Detector Carbon Monoxide Detector Combo 10 Year Battery Alarm With Display, Over 820 ft Transmission Range, SC07-W, 3-Pack654.7231 out of 5 stars. 65 reviews
Free delivery, in 5+ days
ECOBEE Smart Sensor for Smart Thermostats - 2 Pack - White" 
Best seller
$98.97
current price $98.97ecobee
ECOBEE Smart Sensor for Smart Thermostats - 2 Pack - White"134.7692 out of 5 stars. 13 reviews
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Solar Driveway Alarm, Wireless Motion Sensor & Detector Included 2 Receiver 1 Sensor Weatherproof Home Security Alert System for 300m Long Range 
You save $40.25
Clearance
Sponsored
Now $44.72
current price Now $44.72, Was $84.97$84.97
You save$40.25
Tropow
Solar Driveway Alarm, Wireless Motion Sensor & Detector Included 2 Receiver 1 Sensor Weatherproof Home Security Alert System for 300m Long RangeDelivery, in 5+ days
Smart Sensor Handheld Carbon Monoxide Meter – Portable High-Precision CO Gas Leak Detector AS8700A 
You save $45.04
Clearance
Sponsored
Now $50.05
current price Now $50.05, Was $95.09$95.09
You save$45.04
Tropow
Smart Sensor Handheld Carbon Monoxide Meter – Portable High-Precision CO Gas Leak Detector AS8700ADelivery, in 5+ days
X-Sense Wireless Smoke Detector Carbon Monoxide Detector Combo 10 Year Battery Alarm With Display, Over 820 ft Transmission Range, SC07-W, 1-Pack You save $22.00
Now $43.99
current price Now $43.99, Was $65.99$65.99
You save$22.00
X-Sense
X-Sense Wireless Smoke Detector Carbon Monoxide Detector Combo 10 Year Battery Alarm With Display, Over 820 ft Transmission Range, SC07-W, 1-Pack654.7231 out of 5 stars. 65 reviews
Free delivery, in 5+ days
wifi tuya smart temperature and humidity sensor with buzzer alarm 
$25.76
current price $25.76Generic
wifi tuya smart temperature and humidity sensor with buzzer alarmFree delivery, in 5+ days
TIMIFIS Kitchen Essentials Kitchen Accessories Tuya Smart WiFi/Bluetooth Solar Outdoor Human Body Infrared Alarm Outdoor Waterproof Sound And Light Alarm Apartment Essentials For First Apartment 
Clearance
$31.79
current price $31.79, Was $31.79$31.79
TIMIFIS
TIMIFIS Kitchen Essentials Kitchen Accessories Tuya Smart WiFi/Bluetooth Solar Outdoor Human Body Infrared Alarm Outdoor Waterproof Sound And Light Alarm Apartment Essentials For First ApartmentDelivery, in 5+ days
Tuya Zigbee Door And Window Magnetic Sensor Wireless Connection Smart Home Wireless Door Detectors Door Magnetic Automation ,Consistent Performance
+7 options
Available in additional 7 options$176.80
current price $176.80More options from $52.15
HappyDeal
Tuya Zigbee Door And Window Magnetic Sensor Wireless Connection Smart Home Wireless Door Detectors Door Magnetic Automation ,Consistent PerformanceFree delivery, in 5+ days