Sensitive and easy to operate, this gas detector detects oxygen, combustible gas, carbon monoxide, and hydrogen sulfide, and is customizable. Triple alarms: sound, light, and vibration, alerting when gas concentrations are too high or too low.
eBay
Multifunction WPP123 Metal Detector WPP123 Metal Detector Wall Detector Adjustable Sensitivity Two Kinds of Alerts AC for floors
Aliexpress UK
Model: HT601A. Item Type: Combustible Gas Detector. Detection Gas: Combustible gas. 1 x Combustible Gas Detector(Battery Not Included). Automatic reset, no need to reset manually, the operation is more convenient and simple.
eBay
TC-300 Underground Metal Detector Newest High Sensitivity LCD display Detector With Adjustable Pinpointer Gold Detector
Aliexpress UK
1 set x GN803 combustible gas detection alarm(Not included batteries,You need to bring 2xAAA batteries).
eBay
MD-5090 Metal Detector Detection Instrument Underground Metal Detector Gold Detector Metal Finder Hunter Treasure Gold Digger
Aliexpress UK
Air Conditioner Leak Detector Refrigerant Leak Detector Air Conditioner and Refrigerator Repair Micro-Leak Freon Detector. Sensor Type: Semiconductor Thermistor Battery Capacity Required: Li-3000mAh. Sensor Lifespan: 500 hours.
eBay
Metal Detector Metal Finder AKS Metal Detector Metal Pinpointer 30m Depth 1200m Range 6 Antenna Accurate Finding Gold Detector
Aliexpress UK
Natural gas, gas, butane, propane, and carbon dioxide. I have tested it with butane and it reacts well and instant. to all combustible gases. Detects all Combustible Gases. The item is in good clean condition.
eBay
ETRT Wall Detector Multi-Function Metal Detector Punch Detection Wire Stud Detector With Magnetic Positioning
Aliexpress UK
Cabinet Door Installation Jig, 2-in-1 Mounting Tool w/Adjustable Positioner UK. 1 Combustible gas detector. Detect gas leaks along the pipeline. Electric 30 Nodes Massage Mat Mattress Full Body Heat Pad Shiatsu Massager UK.
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Metal Detector TX-850L Gold Metal Detector High Performance Underground Metal Detector Finder Treasure Hunter Gold Prospector
Aliexpress UK
1 set x GN803 combustible gas detection alarm(Not included batteries,You need to bring 2xAAA batteries).
eBay
Metal Detector Earphone Professional Metal Detector for TX-850 TC-600 TC-800 MT705 Headphone Round hole Metal Detector Headset
Aliexpress UK
It emits no sound or light alarm if the gas concentration does not exceed 20% LFL, providing peace of mind. Gas Type: Combustible Gas. Accurate Leak Detection: Use the portable gas sniffer to inspect gas pipes along your water heater.
eBay
High Sensitivity WPP123 Wall Scanner Metal Detector Pointer AC Wire Metal Detection Metal Detector Alert Pipe Power Detector
Aliexpress UK