Basically copy coupon, view price history or create e-mail price alert. You probably want to know what is the best price?
Size: 160*130*45mm, Charging: Built in USB-C charging, Range: > 1km @ 20dbm (depending on the receiver), Mode: Mode1/Mode2, Protocol Options: D8/D16 V1, Transmission power: 20dbm, Frequency: 2.400GHZ-2.480GHZ, , Brand Name: RadioMaster, Channels: Up to 8 channels (depending on the model / receiver), Model: T8 Lite V2, Antenna gain: 2db, Item Name: T8 Lite V2 Transmitter, RF Module: CC2500, Battery: Built in 3.7v 1000mah Lithium battery, Weight: 218g, Gimbal: High-precision quad bearing potentiometer sensor gimbal, Firmware: Independent development system
Aliexpress
There’re some similar (or not) items 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. There is one great coupon!
Link: Banggood product page
1. ($56.06): BGMatt2022
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 and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): Parts8, BG70e5fc, BGGAL8, BGRCParts8, BGAlerabat1, Tabby20, BG1efeb0, 8Couponsde, MVC8SPRING, 8BGwbg2204, tRaDetRaCKeR, 8wEbgaInS5, BG8RCToy, hoNEYbGdeAlS, BGJUNEGSG9, BGRCT10, BGRADIORU, BGToys8, BGSaleFeb8
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Price history and price alert
Check out price history chart (for all/most countries) for RadioMaster T8 Lite V2 2.4GHz CC2500 D8 D16 V1 RC Transmitter.
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)).