THIRDREALITY Zigbee Water Leak Sensor with Dripping Detection,120dB Alarm,App Notifications Enabled When Work with Home Assistant and Compatible Zigbee HUB Like SmartThings,Aeotec or Third Reality Hub

Toolhome Home Radon Detector, Portable Radon Meter, Long and Short Term Home Radon Monitor, Battery-Powered, Prevent Excessive Radon Levels, Keep Your Health, Gray, Grey, BG-005

-6% $74.99

Otuoor 4 Gas Detector, Portable 4 Gas Monitor Multi Gas Detector H2S,O2,CO and EX Rechargeable LCD Display H2s Monitor, Quality Sensor 4 Gas Meter Gas Sniffer (Black)

-36% $69.99

Gas Leak Detector, Protectmeter Natural Gas Leak Detector for Home/RV, Portable Propane Gas Detector with Audio & Video Alarm (Yellow)

-21% $29.99

Aicevoos Gas Detector 4 Gas Monitor for H2S, O2, CO and EX Portable Visual Gas Monitor with Sound Light Vibration LCD Display, Rechargeable Multi Gas Detector Meter

-14% $59.99

Safe-T-Alert by MTI Industries 35-741-WT Dual LP/CO Alarm - 12V, 35 Series Surface Mount, White

-8% $72.99

Funny Kitchen Home Radon Detector,Portable Radon Meter,Long and Short Term Monitor,Rechargeable Battery-Powered,Radon Test Kit

-6% $74.99

Gas Detector with Pump, 4 Gas Monitor Multi Gas Detector CO EX O2 H2S Monitor, 3000mAh Rechargeable 4 Gas Monitor with Calibration Kit, Portable LCD Display with Clip Sewer Gas Detector 4 Gas Meter

-6% $139.99

Honeywell Ademco 5800CO Wireless CO Detector

$74.99

LifeBasis Radon Detector, Radon Test for Home with Long and Short Term Radon Meter, Home Radon Gas Monitor US Version-pCi/L (Update Version, Carbon Fiber Color)

-13% $86.99

Home Radon Detector, Portable Radon Tester, Long and Short Term Monitor, Monitor Your Home Radon Level, Prevent Radon Exceed, Powered by Rechargeable Battery, Black

-6% $74.99

BW Technologies GA-BXT Concussion Proof Rubber Boot with Stainless Steel Alligator Style Clip, for GasAlertMax XT II Detector

$56.00

Funny Kitchen Home Radon Detector, Portable Radon Meter, Elifecity Long and Short Term Home Radon Monitor, Battery-Powered, Easy-to-Use, Ensure Your Home's Safety, White, KT-013

$79.99

Radon Test Kit for Home - Shipping & Lab Fees Included | Easy to Use Charcoal Radon Gas Detector for Testing 2 Locations | 48h Short Term EPA Approved Radon Tester | Fully Certified Lab Testing

-38% $36.99

Neoteck Gas Leak Detector Natural Gas Detector with Audible & Visual Alarm, Portable Gas Sniffer to Locate Combustible Gas Leak Sources Like Methane, Propane for Home-Grey

$16.59

Otuoor 4 Gas Detector, Portable 4 Gas Monitor Multi Gas Detector H2S,O2,CO and EX Rechargeable LCD Display H2s Monitor, Quality Sensor 4 Gas Meter Gas Sniffer (Orange)

-36% $69.99

Water Leak Sensor 4 with 105dB Audio Alarm 3-Pack, SMS/Text, Email & Push Notifications, Freeze Warning, LoRa Up to 1/4 Mile Open-Air Range, w/Alexa, IFTTT, Hub Required!

-9% $49.99

Govee Water Detectors 6 Pack Sensor with 100dB Adjustable Audio Alarm Bundle with Govee WiFi Smart Gateway with Alert Email & APP Push for Home Bedrooms

$63.98

TOWODE Water Detectors 90dB Alarm Sensor, Sensitive Leak and Drip Alert for Kitchen Bathroom Basement (6 Pack)

-50% $19.99

Geevon 3 Pack Water Leak Detectors for Home, 100dB Loud Water Sensor Alarm Leak Detectors with Drip Alert for Kitchen, Basements, Laundry Rooms, IP56 Waterproof(Battery Included)

$21.99

SABRE Water Leakage Alarm, 110 dB Alarm, Audible Up To 1,500-Feet (457-Meters), All Direction Water Sensor, High and Low Volume Settings, Battery Test Button

-44% $5.95

MAXCIO Wi-Fi Water Leak Detector, Smart Water Sensor with 110dB Adjustable Alarm, APP, SMS, Phone Notifications, 1640ft Transmission Range, Suitable for Basement, Bathroom and Kitchen

-4% $22.99

Water Leak Detector 1 Pack, Shackcom Water Alarm 110DB, Wireless, Waterproof & Battery-Operated, Audio and Light Alerts for Bathroom, Kitchen & Home Security ( Battery Not Included )

-10% $8.99

YoLink Water Leak Detector 4 with 105dB Audio Alarm, Freeze Warning, App Push, Email Alerts and Limited Text - Smart Water Sensor Alarm w/ Alexa, IFTTT - 1/4 Mile Long Range, Hub Required

$19.99

YoLink Smart Home Starter Kit: Hub & 2-Pack Water Leak Sensor 1, LoRa Up to 1/4 Mile Open-Air Range, SMS/Text, Email & Push Notifications, w/Alexa, IFTTT, Home Assistant

-13% $39.99