Price history, coupons and price alert are available on this page. You probably want to know what is the best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest coupon and price update (UTC):
Static current: 8mA, Modulation mode: ASK, working mode: self-locking / timing / delay, Working frequency: 433MHz / 2.4G, Working voltage: AC90-250V, Load power: 8800W, Product model: TY220V-40A, Receiving sensitivity: -105dbm, Shell size: 123MM * 61MM * 31MM, Distance: APP has no distance limit / remote control 100M (open and no interference place), Coding method: learning, PCBA size: 96mm * 55.6mm * 28mm, Frequency deviation: ± 0.2MHz
Banggood
Banggood warehouse is located in Europe . I found coupon for you. Check this out.
Link: Banggood product page
1. ($6.87): 2203ActiesNL
apply it in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGSmart6, MVC8SPRING, 8BGwbg2204
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Check out price history chart (for all/most countries) for KTNNKG 40A 433Mhz 1Gang 4000W AC90-250V TUYA Switch [EU].
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)).