, The transmitter + 4CH +2CH receiver /use 4x AA battery or rechargerable battery..
Basically copy coupon, view price history or create e-mail price alert. You probably want to know what is the best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China. There are no active coupons for this product, but the price is pretty low isn’t it?
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/i1u
There were country-specific coupon codes published on Couponsfromchina social channels and price alerts. Coupon price may vary by country, because there’re different VAT rates, shipping cost etc. There is a chance that some latest coupons are still working:
Old coupons (from the oldest to the newest): BG299d07, BGEachine10, BG00c906, BGcdda92, BGRCEachine, BG166d66, BG998d27, BG902353, 8Couponsde, BG8db43f, 8wEbgaInS5, hoNEYbGdeAlS, BGRCT10, BGRADIORU, BG8b02a5, BG5218ed, BGd9878d
(probably won’t work, but you can try them out)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Eachine TX6 4CH+2CH RC Transmitter [EU] ($-3)
Price history and price alert
Here is price history (for all/most countries) for Eachine TX6 4CH+2CH RC Transmitter. The lowest price was: $18.97.
Price records source(s): 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)).