Just check coupons out (with price alert and history). What is best price?
Video Formats: MPEG – 1 / 2 / 4 / H.263 / H.264 / H.265 / AVI / RM / RMVB / VC – 1, Function: Bluetooth /WiFi /Speaker /3D /DVD Player, Power Supply: 200-240V / 50 – 60Hz, Bluetooth: Bluetooth 5.0, Product size (Lx Wx H): 40.20x 26.90x 8.5 cm / 15.83x 10.59x 3.35 inches, Interface: 3 HDMI interfaces / 1 USB3.0 interface and 1 S/PDIF interface / 1 audio interface and 1 network cable interface, CPU: T982-H Cortex-A55 4-core, , Operating system: MIUI TV, ROM: 16GB, Lamp: 0.37″ LCOS, Built-in Speaker: Yes, Features: 1080P /Wireless /HD /Home Theater /Laser, Picture Formats: JPG / JPEG / BMP / GIF / PNG / TIF, Product weight: 5.8 kg, Package Contents: 1x Laser Projector / 1x Remote Control / 1x Chinese Manual / 1x Power Cable, Application: Business /Home /Entertainment, Projection Distance: 0.05 – 0.5m, Image Size: 60 – 150 inch, Audio Formats: MP1 / MP2 / MP3 / WMA / WAV / OGG / FLAC / AAC / Dolby Digital / Dolby Digital Plus / M4A, Compatible with: PC /Computer /Laptop, WIFI: Wi-Fi IEEE 802.11 a/b/g/n/ac 2.4GHz/5GHz, Throw Ration: 0.25: 1, RAM: 2GB DDR4, Brightness: 1400 ANSI
Aliexpress
There’re some similar (or not) items on Aliexpress
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. There is one coupon right now! Check this out.
Link: Banggood product page
1. ($1709.99): BGProj
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): BG1f7712, BGAProjector, BGHU1958, BGbdb727, BG659ceb, BGprtecmundo, BGAudioVideo
(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 Xiaomi Full Color Triple Laser Projector LCOS 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)).