LCD Carbon Monoxide Detector ($7.99)

Live price check: $7.99 – updated from Banggood. Loud 85 decibel alarm, Permanent carbon monoxide sensor, Powered by 3x 1.5V AA batteries (not included).
Updated: 03-08-2025

Banggood

Warehouse in China.
Link: LCD Carbon Monoxide Detector
Price: $7.99

Additional Banggood coupons:
1. First page
2. Second page

Aliexpress

There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price: Open

Image	Product (link)	Price	Coupons
	Co Ppm Detector Warning Siren Alarm Carbon Monoxide Detector Sound With Lcd Indicator Safe Sensor Home Security Protection	$3.25	–
	Co Ppm Detector Warning Siren Alarm Carbon Monoxide Detector Sound With Lcd Indicator Safe Sensor Home Security Protection	$3.25	–
	U2JE Carbon Monoxide Alarm Detectors Battery Operated LCD Display CO Monitor High Sensitivity CO Detectors for Home Safety	$4.59	–
	Carbon Monoxide Detector Alarm New Photoelectric Sensor 85dB Sound Warning LCD Digital Display Home Indoor CO Poisoning Siren	$5.20	–
	Tuya WiFi Smart Carbon Monoxide Detector Alarm 85dB Sound Warning LCD Digital Display Home Indoor CO Poisoning Siren	$11.07	–
	Tuya WiFi Smart Carbon Monoxide Detector Alarm 85dB Sound Warning LCD Digital Display Home Indoor CO Poisoning Siren	$12.91	–
	3 in 1 Carbon Monoxide Detector High Definition LCD Display Rechargeable Temperature Humidity Detector Magnetic	$19.89	–
	3 in 1 Air Quality Tester CO Gas Thermometer Hygrometer Auto Brightness Carbon Monoxide Detector NDIR Sensor LCD Display	$20.15	–
	V-COME Carbon Monoxide Alarm with Digital LCD Display and Test Button, CO Detector with 10-Year Life Battery, EN 50291, VC21	$22.23	–
	2 in 1 Combustible Natural Gas Leak Detector Carbon Monoxide Sensor LCD Display Two Power Supply Methods Alarm System For Home	$22.24	–
	H-W Carbon Monoxide Detector Alarm, Portable 10-Year Battery CO Alarm With Digital LCD Display, For Home, Office And Travel	$22.32	–
	Carbon Monoxide Detector Alarm, Portable 10-Year Battery CO Alarm With Digital LCD Display, For Home, Office And Travel	$25.02	–
	AT53 Carbon Monoxide Detector Alarm, Portable 10-Year Battery CO Alarm With Digital LCD Display, For Home, Office And Travel	$25.03	–
	2 in 1 Version WiFi Tuya Co & Smoke Detector LCD Display Carbon Monoxide Detector Room Kitchen Shop Fire Sensor PIR Sound Alarm	$28.03	–
	LCD Screen Smoke+Carbon Monoxide Alarm Co Smoke Detector 2-in-1 Sound and Light Alarm High Sensitivity Detection	$30.71	–
	WiFi Tuya Smart Carbon Monoxide Detector Sensor Built-in 10 Year Lithium Battery For Home Safety LCD Display CO Detectors Alarm	$30.84	–
	3 In 1 Carbon Monoxide Detector HD LCD Display CO Air Quality Monitor 1000mAh CO Detector Alarm Temp Humidity Sensor for Travel	$36.46	–
	IMOU Smart Standalone Carbon Monoxide Alarm Indoor CO Detector with Replaceable Battery 85DB Buzzer Informative LCD display	$42.62	–
	86 Boxes of Industrial CO2 Detectors with LCD Display Carbon Dioxide Temperature Humidity Dust Odor Air Quality Sensors	$111.38	–
	LCD display high Accuracy Portable gas analyzer cheap carbon monoxide detector	$344.38	–

Click here to search by yourself. Here are coupons that you can use.

Price history and price alert

Price history (for all/most countries) for LCD Carbon Monoxide Detector is here. The lowest price was: $6.49.
Price records source(s): Gearbest, Banggood
Click on image to enlarge.
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).
Price Alert