Aqara S3 Smart Zigbee LED Thermostat Touch Screen Panel (Banggood, Aliexpress: Aqara S3 Smart Zigbe LED Thermostat Touch Screen 3.95” Panel Voice / Remote Control Support Sensing Temperature Humidity Work with Homekit APP – White (the best price with coupon)).
Check coupons or create price alert down below. Let’s see what best price is ATM.
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. Too bad there’s no coupon right now in Banggood.
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/feV
Old coupons (from the oldest to the newest): BGCAPITALOS8, BG8FORMULAMX, BG524f68, BG277596
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Aqara S3 Smart Zigbee LED Thermostat Touch Screen Panel [EU] ($-3)
Price history and price alert
Do you need price history chart (for all/most countries) for Aqara S3 Smart Zigbee LED Thermostat Touch Screen Panel? There we go. The lowest price was: $18.99.
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)).