WiFi 14 In1 Air Quality Detector CO2 PM2.5 PM10 HCHO TVOC Monitor Temperature Humidity Meter Multifunction Air Gas Analyzer – Black.
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Aliexpress
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Click here to search by yourself. Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. I don’t think there is an active coupon right now – at least in my database.
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGTOOS729, BG5d6371
(there’s a little possibility that old coupon will work)
Price history and price alert
Price history (for all/most countries) for WiFi 14 In 1 Air Quality Detector is here. The lowest price was: $19.99.
Price records source(s): Banggood
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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)).