I have checked all old coupons and price is $54.99 for Moeshouse CM-LS DIY Smart Motorized Chain Roller (in Banggood). Price history, coupons and price alert are available on this page. Best price?
2x Screw, 1x Adapter, 1x Solar Panel, 3x Gear, 1x MoesHouse Smart Blinds Drive Motor, 1x VHB
Latest coupon code price check (UTC time):
Banggood ($54.99)
Banggood warehouse is located in China. I couldn’t find any coupon for this product on latest product update. Is it a low price? Maybe there’re no more promotions for this item, because current price is higher than average (which is equal $52.87)
Link: Banggood product page
Price: $54.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGc963de, BGJUNEGSG9, TTBLACK5
(probably won’t work, but you can try them out)
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Check out price history chart (for all/most countries) for Moeshouse CM-LS DIY Smart Motorized Chain Roller.
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)).