Time base range: 5ns-10s, Screen Resolution: 320*240, Model: FNIRSI-1C15, Sampling Rate: 500M, Storage depth: 12 Kpts, Waveform save: Stand by, Trigger type: Rising/Falling, Frequency accuracy: ±0.01%, Waveform measurement: 14 types, Trigger mode: Auto/Normal, Voltage measurement range: ± 40v (x1 file);± 400v (x10 file), Analog bandwidth: 110M, Channel coupling: AC-DC, Number of channels: 1, Vertical sensitivity: 20mv/div-100v/div, Afterglow time: None/1s/∞, Rise Time: <3ns, Charging method: 5V/800mA, Display mode: YT/scroll, Reference waveform: Stand by, One-button automatic: Stand by, Measurement accuracy: ±2%, Screen size: 2.4 inches, 1k Hz self-checking square wave：Stand by. Basically copy coupon, view price history or create e-mail price alert. Let’s see what best price is ATM.
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
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. I am tired of searching coupons, but I found one for you…
Link: Banggood product page
1. ($69.34): BGMAI666
put item in your cart and apply coupon code there after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGG46698SS, BGCuponation10, 13f142, BGd8123d, BGfad5f0, BGedc23b, BGM1TOOLS88, BG20236Tool, BGTOOS729, BG8FORMULAMX, BGCOUPERTBF8
(there’s a little possibility that old coupon will work)
Price history and price alert
Do you need price history chart (for all/most countries) for FNIRSI-1C15 Digital Oscilloscope? There we go. The lowest price was: $60.99.
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)).