SONOFF RF R3 Smart Switch (Banggood, Aliexpress: Wireless Standard: IEEE 802.11 b/g/n 2.4GHz, Enclosure Material: ABS V0;, Max Power: 2200W;, 433.92MHZ;, Power Supply: AC 100-240V;, Max Current: 10A;, Gang: 1;, Product Dimensions: 91*43*25(mm); (the best price with coupon)).
Check coupons or create price alert down below. 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):
Banggood
Banggood warehouse is located in China. We have found one coupon for this product!
Link: Banggood product page
1. ($17.18): ADMITAD2212
just apply this code in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): elec, BG15Gadgets, SONOFF15, bGpAnDacHeCk, BGVDay10%off, bGhOnEy10, BGSMOFF, BGSONOFF15, BGELIG0920, 13f142, BgcLuBofErtA10, BGSONOFF16, BGAFF10OFF, BGSTHO15, BGCuponation10, BGHONEY2110, BGSHOM15, BGSHE15, 6GSGIT, BG15Sonoff
(probably won’t work, but you can try them out)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – SONOFF RF R3 Smart Switch [EU/UK] ($-3)
Price history and price alert
Do you need price history chart (for all/most countries) for SONOFF RF R3 Smart Switch? There we go. The lowest price was: $7.19.
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)).