3PCS Wifi Water Leak Detector Kit, 80dB Water Sensor Alarm, Sump Pump Leakage Alarm, TUYA APP Free Remote Monitoring for Water Leakage, SMS and Phone Notification Can Be Enabled, AAA 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