Aliexpress
Here are coupons that you can use.
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – BlitzWolf BW-IS9 ZigBee Water Leak Sensor (-3 USD)
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in Europe 
. I couldn’t find any coupon for this product on latest product update.
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): BgcLuBofErtA10, BGBWIS9E, BG15SH12, BGSTHO15, 10%ForBGBW, BGCZGRDBW, BGde6ba6, BG5aa9a6, 6GSGIT, BG4a7a54, ADMITAD2212
(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. China – BlitzWolf BW-IS9 ZigBee Water Leak Sensor (-3 USD)
Price history and price alert
Price history (for all/most countries) for BlitzWolf BW-IS9 ZigBee Water Leak Sensor [EU] is here.
Price records source(s): Banggood
Click on image to enlarge. ![Price history for BlitzWolf BW-IS9 ZigBee Water Leak Sensor [EU]](https://couponsfromchina.com/pricehistory/History26040.png "BlitzWolf BW-IS9 ZigBee Water Leak Sensor [EU] price history")
You can set price alert (for Banggood).