HDMI, Image Scale: 16: 9, Resolution Support: 4K, AV, Image Size: 80 – 150 inch, Native Resolution: 4K (3840x 2160), Display type: DMD, Contrast Ratio: 3000: 1, Aspect Ratio: 16: 9 / 4: 3, Features: Laser, Model: MJJGTYDS01FM, 4: 3, Interface: Audio Out Port, Brightness: 5000 lumens, Projection Distance: 0.1 – 0.5m, Throw Ration: 0.233: 1, Material: ABS, USB3.0.
Basically copy coupon, view price history or create e-mail price alert. What is 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. There are no active coupons for this product, but the price is pretty low isn’t it?
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): elec, 4156ab, aff7off, BGMLTV1888, AFfbG10, 502C6B, BGBINKUPON660, BGBFAFF2019, d9eb51, 956c07, BGMJLPT4K, BGMPB2020, 7bcdf9, Email5, BG77660, BG77660a, BGSS20SW, BGMLT4Kfr, BGMJTVCN1, BGMJTVUS1, 7d18f7, 13f142, BGMijia03, 451feb, BGXMMJ03, BGXMJCE03, BG2da73b
(I don’t think these’re gonna work, but you can try ’em out anyway)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Xiaomi MJJGTYDS01FM Laser Projector [EU] ($-3)
Price history and price alert
Do you need price history chart (for all/most countries) for Xiaomi MJJGTYDS01FM Laser Projector? There we go. The lowest price was: $1589.99.
Price records source(s): Gearbest, 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)).