Aliexpress
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Here are coupons that you can use.
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Xiaomi Aqara Smart Curtain Motor 16A 3500W [EU] (-3 USD)
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (123.69 USD): BGPTL088
Coupon (136.79 USD): BG00c906
(CouponsFromChina.com tip: you should apply the coupon in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): elec, BG6591, BGBFAFF2019, BGCITYADS2019, BGE13, bGpAnDacHeCk, 7bcdf9, BGVDay10%off, BGAQA15, bGhOnEy10, Email5, BGSMOFF, 7d18f7, BGC212, bgshOOp10, BGSAMRTH, BGAFF10OFF, BgcLuBofErtA10, BG11PP12, BG15SH12, BGSTHO15, BGHONEY2110, BGSHOM15, 13f142, BG44adb3, BGSHE15, BGherra, BGAQA929, BG592dca
(I don’t think these’re gonna work, but you can try ’em out anyway)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Xiaomi Aqara Smart Curtain Motor 16A 3500W [EU] (-3 USD)
Price history and price alert
Here is price history (for all/most countries) for Xiaomi Aqara Smart Curtain Motor 16A 3500W.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).