Risinglink Smart Water Leak Detector, Zone Water Detector, WiFi-Enabled with 6.5 ft Sensing Cable, Real-Time Notifications via Text, Email, and Audio, Battery Powered

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

$29.99

MOCREO SW2 Water Leak Detector Sensor with 95dB Alarm, No Subscription Fee, Home Wireless Flood Monitor for Basement, Laundry, Pipe Leakage, Sink Overflow(MOCREO Hub Required)

$19.99

Water Leak Monitoring Sensor with Alarm 3 Pack - Leak Bug Electronic Water & Flood Leak Detector - Detects as Little as 1/32" of Water - Overflow Alert Sensor Beeps Loudly When Water is Detected

$30.36

New Upgrade! Sump Pump Alarm, Briidea Indoor/Outdoor High Water Septic Tank Alarm with Dual Power Supply Design, 110dB Alarm, Large LED Indicator, AC Power Light Test Button 10ft Float Switch

-5% $94.99

Sump Pump Alarm, Briidea Indoor/Outdoor High Water Septic Tank Alarm with 110dB Loud Alarm and Large LED Indicator, 10ft Level Float Switch, Ideal for Septic Sump Pump Pond Water Tank

-6% $74.99

Sump Pump Alarm, Briidea Indoor/Outdoor High Water Septic Tank Alarm with 110dB Loud Alarm, Large LED Indicator, AC Power Light & Test Button, 10ft Level Float Switch, Ideal for Septic Sump Pump

-5% $84.99

High / Low Water Level Sensor Detector Alarm 120 dB Red Strobe Siren, Adjustable Alarm Volume, Sump Bobber Water leak Sensor,16.4ft Probe Cord, Suitable for Water Tank/Aquarium, Swimming Pool/Basement

$19.99

WJL-6000 pro Freon Halogen Tester with Indicator Light, Highly Accurate Instant Halogen Gas Leak Detector for HFCs CFCs CFCs Halogen R134a R410a R22a Air Conditioner HVAC

-29% $18.99

GiiHoo Combustible Gas Leak Detector Rechargeable Gas Detector Sniffer with 11.8-Inch Gooseneck, Handheld Natural Gas Detector Locate Sources of Methane, Hydrogen, Propane, Natural Gas

-73% $10.49

Multigas 4 Gas Monitor by Forensics | Color Display & Graphing | Data Logging | USA NIST Calibration | USB Recharge Battery |

$275.45

AKSTEST 4 Gas Monitor Multi Gas Detector for H2S, CO, LEL and O2, with Vibration, Visual and Audible Alarms, 18h Long Battery Life, Gas Detector for Work, Home - Orange

-8% $109.98

Colorwell Plug-in Carbon Monoxide detectorand Natural Gas Detector， 2-in-1 CO Alarm and Gas Leak Detector with Sound and Light Alarm for Kitchen，RV，Office - 1Pcs

-10% $26.94

4-in-1 Plug in Carbon Monoxide and Natural Gas Detector, FLUNGSKY Carbon Monoxide and Combustible Gas Monitor, Voice & Light Alarm, CO, LNG, LPG, Methane,Propane Gas Leak for Kitchen/Home(2 Packs)

-5% $59.79

TECHAMOR Natural Gas Detector, Y201 Pro Portable Gas Leak Sniffer, Locating The Source of Propane, Methane, Butane, Natural Gas, LPG and Combustible Gas Leak for Home & RV (Y201 Pro)

-1% $31.83

3 in 1 Natural & Propane Gas Detector, Plug in Natural Gas, Propane, Temp, Humidity and Explosive Gas Alarm; Design for Home, Apartment & RV; with LCD Screen (Black)

-7% $25.99

H2S Monitor Clip Single Gas H2S Detector Portable Hydrogen Sulfide Detector Gas Leak Detectors with Buzzer and Red Indicator Alarm Clip on 0~100ppm H2S Gas Detector

-6% $46.99

DeNova Detect Natural Gas Alarm, Only 10 Year 100% Battery-Powered Detector in USA, Alerts 11 Minutes Faster, Voice Alerts in English & Spanish, UL1484 Listed

-10% $79.99

MC2-FPCB1 Fit for BW GasAlertMicro Clip XT/XL, Replacement Flex PCB for Oxygen O2 Sensor, MC2

-5% $32.01

Sooguard Portable 4 Gas Detector, 4 in 1 Multi Gas Monitor Tester，H2S,O2,CO and EX Rechargeable LCD Display Gas Sniffer Alarm，Gas Clip Sound Light Shock Alarm (Black)

-19% $85.49

FLUNGSKY Plug in Natural Gas and Carbon Monoxide, Explosive Gas and CO Alarm with Temperature & Humidity Sensors, 4in1 CO & Natural Gas Detectors for Kitchen, Bedroom, RV, Living Room(1 Pack)

-6% $32.79

SENSYX Rechargeable Gas Detector Portable Natural Gas Tester Detector, Combustible Propane Methane Gas Sensor Sniffer (SHG200M Natural Gas Detector)

$35.90

Sooguard Portable 4 Gas Detector, 4 in 1 Multi Gas Monitor Tester，H2S,O2,CO and EX Rechargeable LCD Display Gas Sniffer Alarm，Gas Clip Sound Light Shock Alarm (Orange)

-15% $89.99

SENSYX RV Carbon Monoxide & Propane Dual Gas Detector - Surface Mount - Hard-Wired DC 12V, Large LCD Display, 85dB Loud Alarm, Easy Reset/Test Button - Ultimate Safety for Your Adventures (White)

$49.90

Oxygen Detector by Forensics | USA NIST Calibration & Certificate | Dust & Explosion Proof | USB Recharge | Sound, Light and Vibration Alarms | 0-30% O2 |

$159.45