$87.99 – Tuya Wifi 4-inch Smart Touch Screen Center Control Panel Voice Control with Built-in Alexa ZigBe Gateway Built-in for Multiple Intelligent Scenes Linux System.
When I was updating this page, then coupon price was $87.99 for Tuya Wifi 4-inch Smart Touch Screen Center Control Panel (in Banggood). Basically copy coupon, view price history or create e-mail price alert. Best price?
Latest coupon code price check (UTC time):
Banggood ($87.99)
Banggood warehouse is located in China. Is it good price? Looks like this is great price. I didn’t track lower than that in CouponsFromChina database ever. One coupon is available. Cool!
Link: Banggood product page
Price without coupon: $98.99
1. ($87.99): BG2956cf
you should apply the coupon in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
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
Check out price history chart (for all/most countries) for Tuya Wifi 4-inch Smart Touch Screen Center Control Panel. The lowest price was: $87.99.
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)).