I have just checked coupons. The lowest price I could get is 169.99 USD for RC Transmitter (in Banggood). Basically copy coupon, view price history or create e-mail price alert. Best price?
Latest coupon and price update (UTC):
Banggood (169.99 USD)
Banggood warehouse is located in China. Price? Hmmm, price is higher than average (which is 169.96 USD right now), so better set price alert down below… Basically there’re 2 active coupon codes available!
Link: Banggood product page
Price without coupon: 184.99 USD
Coupon (169.99 USD): BGSSRC18
Coupon (183.99 USD): BGHONEYSP
(CouponsFromChina.com tip: just apply this code in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BGRADIORU, BGToys8, JanBGCoupon8, BGSaleFeb8, BGSaleAD, BGMatt2022, BGMARCHSALE, BGToySale, BG589b2e, BGAUGUST8, BG78e178, BGCAPITALOS8, BGCOUPERT8, BG5a0adc, BGBFDAY8, BGNEWYEAR8, BGSPRING8OFF
(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 – RadioMaster Boxer RC Transmitter CC2500 (139.99 USD)
Aliexpress
There’re some similar items on Aliexpress in my database. There may be some other items though.
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
RadioMaster Boxer RC Transmitter CC2500 | 144.26 USD | Paste “05CD08 or CDPU08 or FRCD08 or CDES08 or CDEW08 or AE8ZNAFEU or USAFF8” (may not work) |
 |
RadioMaster Boxer RC Transmitter CC2500 | 147.58 USD | Paste “05CD08 or CDPU08 or FRCD08 or CDES08 or CDEW08 or AE8ZNAFEU or USAFF8” (may not work) |
 |
RadioMaster Boxer RC Transmitter CC2500 | 165.37 USD | Paste “05CD08 or CDPU08 or FRCD08 or CDES08 or CDEW08 or AE8ZNAFEU or USAFF8” (may not work) |
More on Aliexpress… Here are coupons that you can use.
Price history and price alert
Here is price history (for all/most countries) for RadioMaster Boxer RC Transmitter 4 in 1.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).