$10.99 – Wifi Tuya Smart Smoke Detector Sensor (Banggood, Aliexpress: Wifi Tuya Smart Smoke Detector Sensor 80DB Alarm Fire Smoke Detector Wifi Fire Protection Home Security Alarm Smart Life APP (the best price with coupon)).
You can get Wifi Tuya Smart Smoke Detector Sensor for $10.99 using coupon code (in Banggood). Get coupons, create price alert or check price history out! Let’s see what best price is ATM.
Latest coupon and price update (UTC):
Banggood ($10.99)
Banggood warehouse is located in China. Well, is it a good price anyway? Looks like this is great price. I didn’t track lower than that in CouponsFromChina database ever. There is one great coupon!
Link: Banggood product page
Price without coupon: $12.99
1. ($10.99): BGEUYANWU
put item in your cart and apply coupon code there after clicking “Proceed to checkout”. Click to copy code and open shop.
This is the best price ever noted in my database!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/i1u
Old coupons (from the oldest to the newest): BG589b2e
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
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
Price history (for all/most countries) for Wifi Tuya Smart Smoke Detector Sensor is here. The lowest price was: $10.99.
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)).