Screen Resolution: 480x 854, PC Support: Support Windows XP/7/8/10 system / including PC measuring software(gift), Video Output: HDMI/USB, Frame Rate: 4K 24@fps;2160P 25@fps;1080P 60@fps; 720P 120@fps; Max 240f/s (VGA), WiFi: Microscope support WIFI connection (the connection rang e is about 15 meters), Magnification: Standard Magnification 150X (Max up to 300X), Video Output: 1080P Full HD (via HDMI) ;1080P (via USB), Package Size: 28*22*17cm, Image Sensor: 34 Megapixel SON Y CMOS 1/2.3 HD Sensor, Microphone: Support, Photo Format: JPG, Storage: TF card storage / max 64G, Stand Size: 17*11*20cm(LxWxH), Photo Resolution: 34MP 6800×5100 / 16MP 4608×3456 / 14MP 4320×3240 / 12MP 4032×3024 / Min 640×480, Screen Size: 5 inch, Package Weight: 1.7Kg, Focus rang e: 5cm to 15cm, Video Format: MP4.
Basically copy coupon, view price history or create e-mail price alert. What is the best price?
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’m afraid that there’s no working coupon in Banggood.
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/i1u
Old coupons (from the oldest to the newest): BGGines
(I don’t think these’re gonna work, but you can try ’em out anyway)
Price history and price alert
Price history (for all/most countries) for HAYEAR HY-1080 34MP 4K Soldering Microscope is here. The lowest price was: $149.99.
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)).