Collection: Gas Detector

7 in 1 Air Quality Monitor Indoor with PM2.5, Home Air Quality Test, Air Quality Detector CO2 Sensor with Alarm, LED Display, 2s Refresh, 2-Year Data Storage, for Home & Office

Air Quality Monitor, Indoor Portable CO2, AQI, Temperature, Humidity Detector for Home, Office or School, Accurate Infrared Sensing CO2 Detector

INKBIRD Portable CO2 Detector with Bluetooth, Smart Indoor Air Quality Monitor, can detects CO2, Temperature, Humidity, etc., Electronic Ink Display & 4 Years Battery Life, for Home, Office, motorhome

9-in-1 Professional Indoor Air Quality Monitor PM1.0/PM2.5/PM10/CO2/Temperature/Formaldehyde Detector/Humidity TVOC/Time Display Air Quality Tester for Home Office School Portable Air Quality Tester

Air Quality Monitor, 3-in-1 White NDIR CO2 Detector Counter Capable of Real-Time Monitoring of CO2&Temperature&Humidity in the Air, CO2 Monitor Indoor Suitable for Home, Offices, Schools, Hotels, Cars

Air Quality Detector CO2 Monitor Indoor 5 in 1 Smart Air Quality Meter Portable Carbon Dioxide Detector CO2/TVOC/HCHO Alarm Mini Air Quality Tester for Home/Travel/Office/School/Car

5-in-1 Indoor Air Quality Monitor, Professional Portable Detector & Accurate CO2, TVOC, HCHO, Humidity& Temperature Particle Counter, for Home, School, Hotel,Office,Car Air Quality Tester (White)

CO2 Monitor Carbon Dioxide Detector for Home, 3 Adjustable Volume for Alerts & 3 Adjustable Backlight, Photoacoustic Sensor for Temperature Humidity & Indoor Air Quality Monitor

6-in-1 Air Quality Monitor Indoor Air Quality Detector Portable AQI Tester Detect CO2 PM2.5 PM10 HCHO TVOC Meter for Cars,Homes,Schools,Offices

5-in-1 Professional Indoor Air Quality Monitor Indoor Portable CO2 Monitor | Temperature | Formaldehyde Detector | Humidity TVOC | Air Quality Tester - Confined Space Clean Air Monitor (White)

7-in-1 Air Quality Monitor Indoor Professional?Portable PM2.5/PM10/CO2/HCHO,Temperature,Formaldehyde Detector,Humidity,TVOC Tester for Indoor Air Pollution Detection

Indoor Air Quality Monitor Protable Co2 Meter Temperature/Humidity/TVOC/Co2/Formaldehyde Detector Battery Powered LED Display for Confined Space Cleaning

14 in 1 Air Quality Monitor Indoor with Beep Alarm, 6 AQI Air Quality Detector with PM1.0|PM2.5|PM10|HCHO|TVOC|AQI|Temperature|Humidity|Time for Home, Hotel, Office, Car, Battery Powered Air Monitor

8-in-1 Indoor Air Quality Monitor, Formaldehyde Detector, Temperature & Humidity Meter, Sensor, Tester Detect PM2.5, CO, CO2, HCHO,TVOC,AQI Micron Dust, Home Air Test Kits

color tree Handheld LED EMF Magnetic Field Ghost Hunting Detector Electromagnetic Paranormal Equipment Tester 50Hz-20,000Hz Black (LED EMF)

Dr.meter Wood Moisture Meter, 2 in 1 Pin & Pinless Moisture Tester, Digital Dampness Moisture Sensor Detector for Wood Firewood Drywall Paper Floor Woodworking, Water Leak Detector

LED EMF Meter Magnetic Field Detector Ghost Hunting Paranormal Equipment Tester Portable Counter

EMF Meter,Advanced GQ EMF-390 Multi-Field Electromagnetic Radiation 3-in-1 EMF ELF RF meter, 5G Cell Tower Smart meter Wifi Signal Detector RF up to 10GHz with Data Logger and 2.5Ghz Spectrum Analyzer

Greentest, High Accuracy Food Detector, Nitrate Tester for Fruit and Vegetable,White

EMF Meter Digital Electromagnetic Field Radiation Detector Hand-held LCD 3 in 1 EMF Detector for EF/MF/RF,5G,WiFi for Home, Office and Outdoors (RD630W)

CMTOOL Air Quality Monitor Indoor Outdoor Home Air Quality Tester Analyzer CO2 Meter Portable Carbon Dioxide Formaldehyde Detector Testing Kit with Digital Temperature Humidity Sensor HCHO TVOC Test

GQ GMC-300S Digital Nuclear Radiation Detector Monitor Meter Geiger Counter Radiation Dosimeter

HVAC Refrigerant Leak Detector with UV LED,Automotive AC [R134A R410A R22 R1234YF] Freon Sniff Halogen Gas Leak Detector, 6 Adjustable Sensitivity, CFCs HCFCs HFCs HFOs CLD-100UV

Kidde Carbon Monoxide Detector, Plug In Wall with 9-Volt Battery Backup, Digital LED Display

GQ GMC-320S Digital Nuclear Radiation Detector Monitor Meter Geiger Counter Radiation Dosimeter

GQ GMC-500Plus Geiger Counter Nuclear Radiation Detector Monitor Dosimeter, white

ERICKHILL EMF Meter, Rechargeable Digital Electromagnetic Field Radiation Detector Hand-held Digital LCD EMF Detector, Great Tester for Home EMF Inspections, Office, Outdoor and Ghost Hunting(Blue)

Geiger Counter Nuclear Radiation Detector - FNIRSI Radiation Dosimeter with LCD Display, Portable Handheld Beta Gamma X-ray Rechargeable Radiation Monitor Meter, 5 Dosage Units Switched

Elitech HVAC Refrigerant Leak Detector 10 Yrs Infrared Sensor Life Halogen Freon Sniffer, Air Conditioning Detection, Automotive Gas Finder, R410A R134A R1234YF CFCs HCFCs HFCs, ILD-200

LATNEX AF-5000 5G EMF Meter RF Detector Tester and Reader with Calibration Certificate - Tests and Measures RF and Microwaves, 3-Axis Gauss or Tesla Magnetic Fields and Electrical ELF Fields

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

Driveway Alarm Wireless, STECHRO Motion Sensor Alarm Outside Weatherproof Motion Detector USB and Battery Operated 600Ft Range Intruder Alarm 62Tunes 5Level Volume 110 PIR for Outdoor Home/Business