Collection: Gas Detector

FNIRSI Stud Finder Wall Scanner - 6 in 1 Electronic Wall Wood Metal Stud Finder, Wall Detector with Updated Positioning Hole for Center and Edge of Wood AC Wire Metal Studs Joist Pipe

Franklin Sensors ProSensor M210 Stud Finder with 13-Sensors, Wood & Metal Stud Detector/Wall Scanner, Live Wire Detection

Dmyond Metal Detector Pinpointer, Professional Waterproof Handheld Pin Pointer Wand, Search Treasure Pinpointing Finder Probe with 9V Battery for Adults, Kids - Orange

EMF Detector, Detect All 3 Types of Electromagnetic Radiation Field in 1 EMF Meter for 5G, Cell Towers, WiFi and Smart Meters, EMF Reader for Ghost Hunting Equipment Home, Office (Color01)

EMF Detector, Detect All 3 Types of Electromagnetic Radiation Field in 1 EMF Meter for 5G, Cell Towers, WiFi and Smart Meters, EMF Reader for Ghost Hunting Equipment Home, Office (White)

EMF Detector, Detect All 3 Types of Electromagnetic Radiation Field in 1 EMF Meter for Cell Towers, and Smart Meters, EMF Reader for Home, Office

ELECTOP Portable Carbon Monoxide Detectors, WiFi Co Gas Monitor for Air Quality, [3-in-1] CO Detector, Humidity, Temperature Meter, CO Sensor Alarm Detector with Lanyard for Home and Travel

BAUSATZ 14 in 1 Air Quality Monitor, Formaldehyde Detector, Temperature&Humidity Meter, Sensor, Tester; Detect PM2.5/PM1.0/HCHO/PM10/CO/CO? Micron Dust, Test Indoor TVOC Volatile Organic Compound Gas

5-in-1 Professional Air Quality Monitor Indoor Portable CO2 Monitor Smart Real-time Formaldehyde Tester for CO2 TVOC HCHO Temp Hum for Home Car Office School Indoor Pollution Detector

5-in-1 Air Quality Monitor PM2.5/1.0/10 HCHO TVOC Temp Humidity Air Quality Detector

Ammonia Gas Meter Detector, NH3 Gas Monitor Sensor with Range 0-100 ppm & 0.1ppm Resolution, Portable Air Quality Detector Meter for Farm, Poultry, Pig & Livestock GR-5800G

Indoor Air Quality Monitor, IGERESS Formaldehyde Detector, Pollution Monitor, Dust Tester, Detect Indoor HCHO/TVOC/PM2.5/PM10, Colorful LCD Screen & USB Charging

Indoor/Outdoor CO2 Carbon Dioxide Detector, 3-in-1 Portable CO2 Monitor,Temperature & Humidity, CO2 Meter with Alarm, for Home, Car, Grow Tents, Travel,Camping

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

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

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

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

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

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