When I was updating this page, then coupon price was $94.99 for Smart Tuya WiFi Security Alarm System Kit (in Banggood). Get coupons, create price alert or check price history out! What is best price?
Smart Tuya WiFi Security Alarm System Kit Wireless GSM Burglar Alarm Home Anti-theft Security System Assisted with Alexa Google
Latest coupon and price update (UTC):
Banggood ($94.99)
Banggood warehouse is located in China. There are no coupons available at this moment in Banggood. Good or bad price? From what I can see this price is higher than average price ($90.90).
Link: Banggood product page
Price: $94.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGXIFD357, BGAUGUST8, BGCAPITALOS8, BGCOUPERT8, BG0a9605
(these coupons are old, so probably won’t work)
Aliexpress
There’re some similar (or not) items on Aliexpress
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 Smart Tuya WiFi Security Alarm System Kit? There we go.
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)).