Aliexpress
Here are coupons that you can use.
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – BroadLink x BestCon RM4 Pro Smart Remote Controller [EU] (-3 USD)
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (49.93 USD): MVC8SPRING
Coupon (49.93 USD): 8BGwbg2204
(CouponsFromChina.com tip: apply it 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): BGBLRM4P, bGhOnEy10, BGSM15, BGRM4PR, BGSMOFF, BGRM4PRO, BGALIBUYBK, bgshOOp10, BGRURM4C, BGSAMRTH, BGELIG0920, BgcLuBofErtA10, BGAFF10OFF, BGBLR4P, BGRM4PROC, BG15SH12, BGSTHO15, BGBRLKR4, BGRM4RU, BGRM4PRO02, BGBLR4PR, 13f142, BGHONEY2110, BG75789c, BG551281, BGALIBUY680, BG4402d6, BGSHE15, BG3effdb, BGALIBUY681, BGINEEDIT680, BGe0a09c, BGANI049c, BG0dab8e, BGROTTER680, BANGGOODSD, BGHU1289, BGCCARG, BGff052f, BG868585, BG85d5c6, 2022ACTIESNL, Terence, Tabby20, BG1efeb0
(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 – BroadLink x BestCon RM4 Pro Smart Remote Controller [EU] (-3 USD)
Price history and price alert
Here is price history (for all/most countries) for BroadLink x BestCon RM4 Pro Smart Remote Controller.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).