You can create price alert here, copy coupons and view price history. You probably want to know what is the best price?
Display Technology LCD, Image Scale 16: 9, Image Size 40-120inch, Brand FENGMI, Brightness 500 ANSI Lumens, Model Xming Q2, Contrast Ratio 2000: 1, RAM/ROM 1G/16G, Resolution Support HD, Color White, Throw Ratio 1.2: 1, Resolution 1920×1080P
Aliexpress
There’re some similar (or not) items on Aliexpress
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
For Fengmi projector Bluetooth voice remote control universal XMING Q1pro Q2 projector Guangfeng A300/D30 | $16.61 | – |
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. One coupon is available. Cool!
Link: Banggood product page
1. ($354.37): BG589b2e
just apply this code in your 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): BGProj, BGSaleFeb8, BGSaleAD
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Price history (for all/most countries) for Fengmi Xming Q2 Projector is here.
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)).