According to my DB the lowest price is 149.99 USD for Micsig Oscilloscope 1300V 100MHz Differential Probe Kit 3.5ns (in Banggood). Basically copy coupon, view price history or create e-mail price alert. Best price?
Latest price update (UTC time):
Banggood (149.99 USD)
Banggood warehouse is located in China. I don’t think there is an active coupon right now – at least in my database. What about the price? Maybe there’re no more promotions for this item, because current price is higher than average (which is equal 145.49 USD)
Link: Banggood product page
Price: 149.99 USD
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Micsig Oscilloscope 1300V 100MHz Differential Probe Kit 3.5ns [EU] (144.99 USD)
Aliexpress
Click here… to search for Micsig Oscilloscope 1300V 100MHz Differential Probe Kit 3.5ns on Aliexpress
Here are coupons that you can use.
Price history and price alert
Here is price history (for all/most countries) for Micsig Oscilloscope 1300V 100MHz Differential Probe Kit 3.5ns.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).