Aliexpress
Click here… to search for Motospeed Inflictor CK104 Blue Switch on Aliexpress
Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China. There is no active coupon in my database right now (for 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!
Old coupons (from the oldest to the newest): 2872b8, 502C6B, e2bcea, TTxBG10, e18b44, aff7off, AFfbG10, BGALJRGR, BGBFAFF2019, BGCITYADS2019, BGVDay10%off, BGAFF10OFF, bGhOnEy10, BGdragonBoat, BGSS10%SW, bgshOOp10, BgoFErTaSchInA10, BgcLuBofErtA10, 7d18f7, BGCuponation10
(probably won’t work, but you can try them out)
Price history and price alert
Check out price history chart (for all/most countries) for Motospeed Inflictor CK104 Blue Switch.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).