Go down and check coupons out. Remember to check price history if it is available. Best price?
Product material: ABS material, USB charging, Working current: 0.3A – 0.5A, convenient to use, Power consumption: 5V, Input voltage: DC5V
Aliexpress
I could not find it 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. I can’t find any active coupons for this product in Banggood.
Link: Banggood product page
Price: $-3
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 and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGLSBT05, AFfbG10, BGHKKU05, 502C6B, BGBFAFF2019, BGCITYADS2019, BGBGHFRI15, BGVDay10%off, BGHOMEG12, BGiuhewf, BGMPB2020, BGAFF10OFF, bGhOnEy10, BGSWWXJP, BGdragonBoat, BGSS10%SW, bgshOOp10, BGHome15%, BGHALLOWEEN, BGHOMEA15%, BgcLuBofErtA10, BGXPDE73, BGCuponation10, 13f142, BG10OFFAFF, BGwhielabel, BG10OFFAFF1, BANGGOODSD, 00c906, BG00c906, BGAlerabat1, Terence, Tabby20, 2203ActiesNL, BG1efeb0, MVC8SPRING, 8BGwbg2204, BGf08e38, tRaDetRaCKeR, 8wEbgaInS5, pROMo8cuPoN, BGJUNEGSG9, Cuponation9, 9OFFSUMMER, BGf625a4, BG589b2e, BG23ALEAprD, BG081591, BGc4a05f
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Here is price history (for all/most countries) for Utorch M5/Loskii BT-KU05 Mosquito Killer Lamp.
Price records source(s): Gearbest, 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)).