Aliexpress
Click here… to search for Electric Household Effective Fly Trap Device on Aliexpress
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. I’m afraid that there’s no working coupon 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): BGFYID, BGaDmITAd, BGMSQO, 13f142, BGBFAFF2019, BGCITYADS2019, BGEFTD, BG9NY, BGTYDRF, BGVDay10%off, bGhOnEy10, BGSS10%SW, bgshOOp10, BGHome15%, BGFTDIC, BGHOMEAPP13, BGHOMEA13, BGAFF10OFF, BGCuponation10, BGHONEY2110, BG10OFFAFF, BGwhielabel, BGeaedc0, BG10OFFAFF1, BANGGOODSD
(there’s a little possibility that old coupon will work)
Price history and price alert
Check out price history chart (for all/most countries) for Electric Household Effective Fly Trap Device.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).