$16.99 – Tuya WiFi Smart Carbon Monoxide Detector Alarm 85dB Sound Warning LCD Digital Display Home Indoor CO Poisoning Siren.
Use coupon and get Tuya WiFi Smart Carbon Monoxide Detector for $16.99 (from Banggood). Basically copy coupon, view price history or create e-mail price alert. What is best price?
Latest coupon and price update (UTC):
Banggood ($16.99)
Banggood warehouse is located in China. Too bad there’s no coupon right now in Banggood. What about the price? From what I can see this price is higher than average price ($15.89).
Link: Banggood product page
Price: $16.99
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BG662cb9
(these codes were not working in latest coupon update, but you can check them out anyway)
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Do you need price history chart (for all/most countries) for Tuya WiFi Smart Carbon Monoxide Detector? There we go. The lowest price was: $9.99.
Price records source(s): 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)).