Just check coupons out (with price alert and history). 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 code price check (UTC time):
Operating current: 30 – 200mA, Power supply: USB 5V, Convert 433MHz RF remote to APP via WiFi, Operating voltage: 3 – 3.6V
Banggood
Banggood warehouse is located in Europe . Well, there is one coupon available right now.
Link: Banggood product page
1. ($15.97): BGSmart6
apply it in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): elec, e2bcea, 502C6B, BGRF433, SONOFF15, BG9NY, 2020CNY, BGVDay10%off, 28cdf0, BGTT10, bGhOnEy10, BGSMOFF, BGSOFRFB, BGSONOFF15, BGELIG0920, 13f142, BGHALLOWEEN, BgcLuBofErtA10, BGSONOFF16, BGAFF10OFF, BGSTHO15, BGHONEY2110, BGSHOM15, BGSHE15, 6GSGIT, BG29f5bf, BG15Sonoff
(you can check these old coupons out, but these probably won’t work)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – SONOFF RF Bridge 433MHz Replacement RF Controller ($-3)
Price history and price alert
Here is price history (for all/most countries) for SONOFF RF Bridge 433MHz Replacement RF Controller [EU/UK].
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)).