Tuya ZigBee 3.0 Signal Repeater USB Extender (Banggood, Aliexpress: Product size: 38.85 * 21.5 * 8.5mm, Communication method: Zigbe, Working voltage: 1.8~3.8V (the best price with coupon)).
You can create price alert here, copy coupons and view price history. Do you want to know what the best price is?
Aliexpress
There’re some similar (or not) items on Aliexpress
![Tuya ZigBee Radiator Actuator Thermostat [EU]](https://couponsfromchina.com/wpthumbnails/Resized1005005145690732.jpg)
Click here to search by yourself. Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China. There are no active coupons for this product, but the price is pretty low isn’t it?
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Price history and price alert
Price history (for all/most countries) for Tuya ZigBee 3.0 Signal Repeater USB Extender is here. The lowest price was: $8.29.
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)).