Model: GN805. Visual & Audio Alarm: The gas finder has a red LED light and buzzer, when it senses the combustible gas, the red LED light will flash, the buzzer will sound the alarm, when the sensed concentration of combustible gas is higher, the red light will flash and the sound alarm will be more urgent.
eBay
Newest 2 in 1 LED Digital Gas Smoke Alarm Co Carbon Monoxide Detector Voice Warn Sensor Home Security Protection High Sensitive
Aliexpress UK
1 set x GN803 combustible gas detection alarm(Not included batteries,You need to bring 2xAAA batteries).
eBay
5-1PCS Digital Carbon Monoxide Detector Sound & Light Warning CO Alarm Sensor Battery Powered CO Gas Monitor for Home Warehouse
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
Home CO Detector for Gas Leaks - Battery Operated, Reliable Safety
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
Metal Detector Outdoor Adventure Handheld Metal Detector Pinpointer Finder Waterproof 360° Side Scan Metal Detector Rod
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
Professional Underground Metal Detector Gold Detectors Treasure Hunter Detector Circuit Metals Waterproof High Sensitivity
Aliexpress UK
Detecting gas: Natural gas (CH4), LPG. Alarm setting value: 6%LEL. Heat alarm value: 57℃. 1 Natural Gas Sensor. Valve/manipulator drive output: 12V/3oomA output for 15 seconds. Sensor life: 5 years. Option B: 433MHz Wireless Version.
eBay
Carbon Monoxide Alarm Detector Battery Powered Smoke and Carbon Monoxide Detector Alarm LCD Display CO Detector for Home Depot
Aliexpress UK
When the detector is triggered. The detector supports sound alarm, 90dB high decibel alarm. When the detector is triggered, the surrounding neighbors can hear the alarm. It supports temperature detection.
eBay
Handheld Metal Detector Metal Pinpointing Rod Detector GT150 Waterproof IP68 Metal Gold Detector Tester
Aliexpress UK
Portable detector for detecting alomost all combustible gas. 1 Combustible Gas Detector. Audio & visible leakage alarm indication. 3s response, pinpoint leak position. Alarm mode: sound and light dual alarm.
eBay
Portable Handheld Wireless GPS Signal Detector Anti Device Detector GPS Tracker Detector HK809 Digital Magnetic Detection DIY
Aliexpress UK