Aliexpress
Click here… to search for SONOFF BASICZBR3 Zig.Bee Smart Switch [EU] on Aliexpress
Here are coupons that you can use.
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – SONOFF BASICZBR3 Zig.Bee Smart Switch (-3 USD)
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in Europe 
. This is new product in my database, so I don’t know if this price is good. There is one coupon available! Pretty cool, huh?
Link: Banggood product page
Coupon (7.64 USD): BGSmart6
(CouponsFromChina.com tip: put item in your cart and apply coupon code there after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): elec, BGBFAFF2019, BGCITYADS2019, BGE13, BGTT10, bGhOnEy10, BGSMOFF, BGSONOFF15, BGELIG0920, 13f142, BgcLuBofErtA10, BGSONOFF16, BGAFF10OFF, BGSTHO15, BGHONEY2110, BGSHOM15, BGSHE15, 6GSGIT, BG15Sonoff
(there’s a little possibility that old coupon will work)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – SONOFF BASICZBR3 Zig.Bee Smart Switch (-3 USD)
Price history and price alert
There is only one database record (it was for 5.99 USD), so you can’t see price history chart.
You can set price alert (for Banggood).