SECRUI Door Chime, Door Sensor Chime for Door Opens – Door Ringer with 500ft Operating Range 58 Chime 110dB LED Indicators –Entry Alert Chime for Business/Home/Office (1 Receiver+2 Sensors)

Govee Water Detectors, 100dB Adjustable Audio Alarm Sensor, Sensitive Leak and Drip Alert, for Kitchen Bathroom Basement (Battery Included)

$12.99

Winees WiFi Water Leak Detector, 3 Pack Water Sensors with 100dB Adjustable Alarm, Leak Alert Email&SMS Notification, 200M Transmission for Basement, Bathroom, Laundry, IFTTT, S1 Plus, 2.4G WiFi Only

$59.99

Flood Buzz Water Leak Alarm for Homes & Businesses; Leak Detection for Sinks, bathrooms, basements, Kitchens, HVAC, RVs; Reusable with Factory Installed Battery - 3 Pack

$19.99

WD61 Water Leak Detector for Home, Support Pair with METAK WiFi W13 Gateway (Sold Separately) for App Notification, Flood/Drip Sensor Alarm for Basement/Kitchen/Bathroom/Laundry Room,Sink/Drain/Pipe

$17.99

WiFi Water Leak Detector for Home with App Notification, 1 Gateway + 6 WD61 Sensor, 120dB Water Flood/Drip Alarm for Basement/Kitchen/Bathroom/Toilet/Laundry Room, Sink/Drain/Pipe/Faucet Leakage Alert

$69.99

Flume 2 Smart Home Water Monitor & Water Leak Detector: Detect Water Leaks Before They Cause Damage. Monitor Your Water Use to Reduce Waste Installs in Minutes, No Plumbing Required

$249.00

FloodStop Washing Machine Leak Detector Kit with Automatic Water Shut-Off and Visual/Audible Alarms, 3/4" Straight, Hot & Cold Valves

$242.82

Geevon 2 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)

$18.99

TP-Link Tapo Smart Water Leak Detector, Requires Tapo Hub, Water Leak Sensor Wi-Fi with Rapid Dripping Detection, 90dB Adjustable Alarm, App Alerts, Compatible with Alexa and Google Home Tapo T300

$19.99

RV Carbon Monoxide & Propane Detector, VITITE RV Dual CO/LP Gas Alarm, Hardwired - VDC 12V, Flush & Surface Mount, with 3 Brackets

$57.99

TopTes Guard-722 Oxygen Detector, Portable O2 Monitor, 0-30%, Rechargeable 120H Battery Duration, Sound, Light and Vibration Alarms, Dust and Explosion Proof, Handheld O2 Meter for Work, Home - Blue

$69.99

GQ Radon Detector Radonscan Home Radon Monitor Alpha Radiative Gas Radiation Design in USA Large Color Display Short and Long Term continuously Monitor Accurate Fast Sensitive Data Saving

$99.00

Techamor Y401 Natural Propane Gas Detector, Home Gas Alarm and Monitor, Leak Alarm for LNG, LPG, Methane, Coal Gas Detection in Kitchen, Home, Camper (1, Black)

$26.99

RadonScreen Radon Detector for Home Test Kit, EPA-Approved Radon Gas Detector NRPP-Certified LAB Analysis for Household Air Quality, Quick Turnaround Time, Easy to Use, Lab Fees Included

$24.99

Long Term Alpha Track Radon Detector Kit (Can NOT Sell to New Jersey Addresses)

$34.50

Klein Tools 80142 Gas Leak Detector Kit, Combustible Gas Leak Detector and Digital Manometer HVAC Gas Pressure Tester, Dual-Port, 2-Piece

$199.99

RV Carbon Monoxide Detector, VITITE RV Carbon Monoxide & Propane Detector, Hardwired - VDC 12V, Designed for RV, Travel Trailer, Motor Coach, Camper & Boat, Flush & Surface Mount (White)

$57.99

CAZONER Gas Detector,10-Year Lifespan, Natural, Methane, Propane, & Explosive Gas Alarm for RV and Home, Digital LCD Display

$45.35

FIGARO New KE-25 KE25 Oxygen Sensor Gas Sensor Detector GSYUASA Sexangle Connector

$149.00

Minimprover Internal Backwater Valve,2-F 2" Float Model Flood-Guard for 2-inch Flood Drains,Drain Backflow Preventer for Sewer Flood Protection

$13.59

Eve Water Guard Sensing Cable Extension (6.5 ft/2 m)

$19.95

YoLink LoRa Smart Water Level Monitoring Sensor, Wireless Battery-Powered Float Switch Alarm, Sump Pump Alarm, AC Condensate Overflow, Tank Level, Toilet Leak Sensor, 105dB Siren, YoLink Hub Required

$34.99

FloodStop Washing Machine Leak Detector Kit with Automatic Water Shut-Off and Visual/Audible Alarms, 3/4" 90deg, Hot & Cold Valves

$242.82

Water Leak Detector 3 Pack, Shackcom Water Alarm 110DB, Wireless, Waterproof & Battery-Operated, Audio and Light Alerts for Bathroom, Kitchen & Home Security ( Battery Not Included )

$23.99