Aliexpress
Here are coupons that you can use.
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – BlitzWolf BW-LT30 E27 WIFI Smart Lampholder [EU] (-3 USD)
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. There are no coupons for this product in Banggood.
Link: Banggood product page
Price: -3 USD
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
Old coupons (from the oldest to the newest): BGBW37, BGWMPD, bGhOnEy10, BGBW10L, BgoFErTaSchInA10, BgcLuBofErtA10, BGAFF10OFF, 10%ForNewBW, BGDSFU54, 10%ForBGBW, BGMDHG76, BGHONEY2110, BG10OFFAFF, BGwhielabel, BGLIG12, BG10OFFAFF1, BGd0b05d, BG0e9f5d, BG1936ab, BG00c906, ADMITAD2212, 2022ACTIESNL
(I don’t think these’re gonna work, but you can try ’em out anyway)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – BlitzWolf BW-LT30 E27 WIFI Smart Lampholder [EU] (-3 USD)
Price history and price alert
Price history (for all/most countries) for BlitzWolf BW-LT30 E27 WIFI Smart Lampholder is here.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).