When I was updating this page the price was $169.99 for Walksnail Moonlight Kit Ultra HD 5.8Ghz Digital System FPV Transmitter (in Banggood). Just check coupons out (with price alert and history). Let’s see what best price is ATM.
Walksnail Moonlight Kit Ultra HD 5.8Ghz Digital System FPV Transmitter Starlight 160 Degree 4K 60fps Camera Built-in EIS Gyroflow with Dual LHCP Antennas
Latest coupon code price check (UTC time):
Banggood ($169.99)
Banggood warehouse is located in China. Good or bad price? This price is great, coz it’s the lowest in CouponsFromChina database! There is one great coupon!
Link: Banggood product page
Price without coupon: $183.99
1. ($169.99): BG9d5cce
just apply this code in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
This is the best price ever noted in my database!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BG06ac63, BG613VIPPP
(there’s a little possibility that old coupon will work)
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Check out price history chart (for all/most countries) for Walksnail Moonlight Kit Ultra HD 5.8Ghz Digital System FPV 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)).