Basically copy coupon, view price history or create e-mail price alert. Best price?
Weight: 560g, Duration: 25 hours, Working voltage: 3.7V(1s Li-ion), Working Current: 130mA, Item name: T12 Transmitter, Charge Port: MICRO-USB, Battery Capacitor: 4000mA, Dimension: 225*123*35mm, Frequency: 2.400-2.4833GHz, Number of channels: 12 channels, Modulation: New FHSS, Firmware: APP online
Aliexpress
There’re some similar (or not) items on Aliexpress
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
Skydroid T12 Remote Control Three-Body Camera 20km Digital Map Transmission w/ R12 Receiver 4 in 1 For Plant Protection Machine | $60.62 | – |
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. One coupon is available. Cool!
Link: Banggood product page
1. ($363.40): Parts8
you should apply the coupon 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): 502C6B, BGCITYADS2019, BGVDay10%off, BGTT10, BGSKYT12, bGhOnEy10, BGSS10%SW, bgshOOp10, BGRC902, 7bcdf9, BGRCRR9, BGCuponation10, BGDAVIS, BGradio9
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Price history and price alert
Check out price history chart (for all/most countries) for Skydroid T12 RC Transmitter with R12.
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)).