I have checked all old coupons and price is $539.99 for Micsig STO2002 Oscilloscope 200MHz 1G Sa/s (in Banggood). Basically copy coupon, view price history or create e-mail price alert. What is the best price?
Micsig STO2002 Tablet Oscilloscope 200MHz Bandwidth 1G Sa/s Sampling Rate 8-inch Touchscreen Advanced Trigger System Best Professional Tool
Latest coupon code price check (UTC time):
Banggood ($539.99)
Banggood warehouse is located in China. There are no active coupons for this product, but the price is pretty low isn’t it? Is it good price? Awesome! This price is the best in CouponsFromChina database!
Link: Banggood product page
Price: $539.99
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): BGCAPITALOS8, BGCOUPERT8, BG8FORMULAMX, BGBFDAY8, BGSPRING8OFF, BGHONEYSP, BGESJY8
(you can check these old coupons out, but these probably won’t 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 Micsig STO2002 Oscilloscope 200MHz 1G Sa/s.
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)).