$135.99 – HDMI Image Resolution: 51MP, Sensor: 51MP CMOS, Pixel Size: 1.335μmx1.335μm, HDMI Resolution: 1920x 1080p 60FPS, Item Type: Microscope Camera, Module: 2037D, HDMI Scale: Support 4: 3 /16: 9 /16: 10 screen, Optical Format: 1/2.9inch, Video Resolution: 2K at 30FPS 1080p at 60FPS, Interface: HDMI (Type A). USB (Type B). Small memory card.
When I was updating this page the price was $135.99 for HAYEAR 51MP HDMI Video Microscope (in Banggood). You can create price alert here, copy coupons and view price history. Best price?
Latest price update (UTC time):
Banggood ($135.99)
Banggood warehouse is located in China. So I have checked for active coupons (all category coupons and old ones), but there was no working coupon in Banggood. Is it expensive? Good price! It’s lower than average one ($139.87)!
Link: Banggood product page
Price: $135.99
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGTOOS729, BG1590f3
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – HAYEAR 51MP HDMI Video Microscope [EU] ($-3)
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.
Price history and price alert
Check out price history chart (for all/most countries) for HAYEAR 51MP HDMI Video Microscope. The lowest price was: $126.99.
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)).