Latest update shows that HAYEAR 48MP 1080P 2K HDMI USB Microscope costs $160.99 (in Banggood). You can create price alert here, copy coupons and view price history. You probably want to know what is the best price?
Optical Format: 1/2.9inch, HDMI Scale: Support 4: 3 /16: 9 /16: 10 screen, Small Memory Card: Up to 128GB (not included), Scale Line: 2 lines., Dotted Line: 2 lines / color / width / position can be set, USB2.0 (Drive Free): 1920x 1080 at 30FPS 1280x 720 at 30FPS 640x 480 at 30FPS, AWB: AWB color correction/automatic/manual, HDMI Resolution: 1920x 1080p 60FPS, Item Type: Microscope Camera, R.G.B value setting independent, Interface: HDMI (Type A). USB (Type B). Small memory card, Mono Negative Film: Support, HDMI Image Resolution: 48MP, Cross Line: 8 lines / color / width / position can be set, Pixel Size: 1.335μmx1.335μm, Sharpness Contrast Color Gain: Support, Module: 2307D, Video Resolution: 2K at 30FPS 1080p at 60FPS, Sensor: 48MP CMOS, Exposure: Automatic/manual. AE value can be set
Latest price update (UTC time):
Banggood ($160.99)
Banggood warehouse is located in China. But wait a sec… Is it a good price? Hmmm, price is higher than average (which is $134.99 right now), so better set price alert down below… There is one great coupon!
Link: Banggood product page
Price without coupon: $174.99
1. ($160.99): BGALL8
coupon code has to be applied in shop’s 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): BGGines, JanBGCoupon8, BGESJY8
(I don’t think these’re gonna work, but you can try ’em out anyway)
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 HAYEAR 48MP 1080P 2K HDMI USB Microscope.
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)).