XGIMI Z6 Projector CN (Banggood, Aliexpress: Newest GMUI 3.0 base on Android 6.0 system, 700 ANSI Lumens and the newest RGGB quad-channels light road makes color more saturated, 2GB DDR3 RAM + 8GB eMMC Internal storage, Support AI voice function, Ultra clear 1080p FHD display, Mstar 6A838 Cortex-A53 64bits Quad-core CPU with Mali-T820 MP4 GPU makes the video smoothly (the best price with coupon)).
Just check coupons out (with price alert and history). 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 code price check (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($467.99): BGCITYADS2019
2. ($483.59): aff7off
3. ($483.59): bgchinafest
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/feV
Old coupons (from the oldest to the newest): BGGMZ6, BGaDmITAd, BGBFAFF2019
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Here is price history (for all/most countries) for XGIMI Z6 Projector CN. The lowest price was: $467.99.
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)).