Wireless Remote Transmitter Sticky RF TX Smart 433MHz 86 Wall Panel [EU] (Banggood, Aliexpress: Power Supply: 1*L828 12V 27A battery (not included), Current: 20~25mA, Channel: 1CH / 2CH / 3CH, Frequency: 433.92, Product Weight: Approx. 100g, Encode: EV1527, Product Size: Approx. 86* 86 * 32 (mm), Remote Control Distance: 0-100m, Use Application: Staircase / Bedside / Doorway / etc. (the best price with coupon)).
Price history, coupons and price alert are available on this page. 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 price update (UTC time):
Banggood
Banggood warehouse is located in Europe 
. Coupons for Wireless Remote Transmitter Sticky RF TX Smart 433MHz 86 Wall Panel [EU]? Nope, there’re no coupons in Banggood. This is new product in my database, so I don’t know if this price is good.
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/5cd
Price history and price alert
Not enough data to show price history chart… $2.14 is the only recorded price. It was not cheaper than that since we have saved it in DB.
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)).