Zuomeng Wireless Salt Level Detector for Water Softener, Real-Time Monitoring, Adjustable Height, Dual Light & 100dB Alarm, Easy Installation, for Salt Tank, and Household Appliances

Gas Leak Detector, Handheld Natural Gas Detector High Sensitivity with LCD Display，Portable Gas Sniffer to Locate Combustible Gas Leak Sources Like Methane, Propane for Home(Including Battery)

-39% $12.19

3 in 1 Natural & Propane Gas Detector, Plug in Natural Gas, Propane, Temp, Humidity and Explosive Gas Alarm; Design for Home, Kitchen & Camping; Easy to Install & Removal (Matte White)

-20% $19.99

Sensative 11040321 Strips Drip Z-Wave 800 Water Leak & Temperature Sensor, with Magnet

-17% $32.99

GAEYAELE Liquid Timer Control Relay Electronic Liquid Level Controller 10A (GRL8-01+Sensor,AC/DC24V-240V)

-50% $13.45

120dB High Decibel Water Leak Alarm, Simplicity Smart Water Leakage Detector Water Leak Sensor for Kitchens Bathrooms Basement

-26% $8.25

Water Leak Detector 2 Pack, Lound Sound Sensor Alarm, Home Water Flooding Monitor Sink Overflow Monitoring Wet Moisture Alert Pipe Leakage Drip Detection Warning for Basement, Laundry, Bathroom

$22.99

High / Low Water Level Alarm Sensor Detector Not - Overflow, Water Alarm for Sump Pump w/ 120 dB Strobe Siren, Water Leak Sensor,16.4ft Cord, Suitable for Water Tank Aquarium Swimming Pool Basement

-5% $16.99

Maxcio Water Leak Sensor 1 Pack, Wireless Water Leak Detector with App Notifications, Smart Home Automation Water Sensor Alarm for Kitchen Bathroom Basement, Requires Maxcio Tuya Zigbee Gateway

-11% $7.99

UHPPOTE Wired Water Leak Detector Accessory for Water Alarm System (Pack of 2)

$9.40

Maxcio Water Leak Sensor 3 Pack, Wireless Water Leak Detector with App Notifications, Smart Home Automation Water Sensor Alarm for Kitchen Bathroom Basement, Requires Maxcio Tuya Zigbee Gateway

-5% $18.99

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

$71.99

ShikeIoT Wireless Water Leak Detector with Email,Wi-Fi Flood&Freeze Sensor, Smart Leak and Drip Alert,Loud Audible Alarm Alerts–No Need Install-Remote Waterproof Leak Sensor for Home, Basement 1 Pack

$4.99

REED Instruments C-383 Combustible Gas Leak Detector, Low/High Sensitivity

-5% $224.99

Natural Gas Detector, AquilaPro Natural Gas Leak Detector with 13-Inch Gooseneck, Locating The Source of Propane, Natural Gas, and Combustible Gas Leak for Home and RV (Includes Battery x3)

-40% $17.99

ZYKYCX 4 Gas Monitor Multi Gas Detector for O2, CO, H2S, Combustible Gas Tester, Rechargeable 4 Gas Leak Detector, Digital Gas Meter with Sound, Light & Vibration Alarm

-5% $89.99

Handheld CO Detector,Portable CO Gas Leak Detector, Gas Analyzer, Professional High Precision Detector,0～1000ppm(Battery Not Included)

$5.99

GRENPRO Gas Leak Detector, Propane and Natural Gas Detector with Audible & Visual Alarm, Portable Gas Sniffer to Locate Combustible Sources, Suitable for Home and Rv

$12.99

TopTes PT520A Gas Detector & Guard-101 4-Gas Monitor, Effectively Detects Combustible Gas, CO, H2S, and O2, Ensures Safety, Ideal for Work and Home Gas Monitoring

$131.98

Hydrogen Sulfide Detector H2S Monitor 0~100ppm Electrochemical H2S Sensor LED Alarm with LCD Screen Backlight Portable Tester

$51.79

Gedsffati 3in1 Plug in Combustible Natural Gas Detectors with 2.1'' Screen & Indicator [ Propane Gas Temp Humidity Sensor ] LNG, LPG, Methane Leak Detector for for Home Kitchen Hotel Travel (White)

$17.99

CUSTOS WWD Water Leak Detector, Smart Water Monitor, Battery Operated Smart Home Devices, Sub-Lipstick Design Water Alarm Leak Detector, No Wi-Fi Required, 3 Pack

$134.85

MOTTERU Water Leak Detector Alarm with Tuya APP, WiFi 2.4G Smart Home Device, Water Sensor for Leaks

$14.90

FloodStop Ice Maker Leak Detector Motorized Valve, 1/4" Compression

$93.00

TOWODE WiFi Water Leak Detector （2.4GWiFi） 90db LoudAlarm Water Sensor Alarm and App Alerts Suitable for Kitchen Warehouse Laundry Toilet 1Pack

$7.99