$27.99 – Moes Tuya Zigbe WiFi TRV Smart Thermostatic Radiator Valve APP Remote Temperature Controller Timing Function Voice Control with Alexa Google Home – Zigbee.
Use coupon and get Moes Zigbee TRV Smart Thermostatic Radiator Valve for $27.99 (from Banggood). Go down and check coupons out. Remember to check price history if it is available. Let’s see what best price is ATM.
Latest price update (UTC time):
Banggood ($27.99)
Banggood warehouse is located in China. Too bad there’s no coupon right now in Banggood. The question is – is it a good price? Maybe there’re no more promotions for this item, because current price is higher than average (which is equal $27.62)
Link: Banggood product page
Price: $27.99
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
Here is price history (for all/most countries) for Moes Zigbee TRV Smart Thermostatic Radiator Valve. The lowest price was: $19.99.
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)).