Xiaomi Aqara B1 Smart Electric Curtains Motor (Banggood, Aliexpress: Zig bee, Power adapter, 12cm/s, ZNCLDJ12LM, About 1.48kg, Input Voltage: 100-240V~50/60Hz 1A, Power Cord Length: 1.5 meters, lithium battery, 3030mAh (the best price with coupon)).
Basically copy coupon, view price history or create e-mail price alert. What is the best price?
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.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. I don’t think there is an active coupon right now – at least in my database.
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/feV
Old coupons (from the oldest to the newest): BGcm08, TTxBG10, BGcm15, BG2646, BG2756, BGPL13th01, AFfbG10, BG9920, 502C6B, BGBFAFF2019, BGCITYADS2019, BG2020NS, BG4860, BG7589, BGAQA15, bGhOnEy10, BGK920, bgshOOp10, BGHWDEALS, BgoFErTaSchInA10, BgcLuBofErtA10, 7bcdf9, BGCuponation10, BGSHOM15, 13f142, BGSHE15, BG9d9c06, BG04ea72, BGAQA929
(these coupons are old, so probably won’t work)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Xiaomi Aqara B1 Smart Electric Curtains Motor [EU] ($-3)
Price history and price alert
Price history (for all/most countries) for Xiaomi Aqara B1 Smart Electric Curtains Motor is here. The lowest price was: $89.99.
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)).