Brightness 7800 Lumens, motorized adjust Focus /projector has a motorized adjust Focus facility., 3D Function: Support red blue 3D, Brightness: 7800 Lumens / 780 ANSI lumens, Light source: 50000 Hours long life, Native Resolution: 1920*1080dpi, Contrast Ratio 18000: 1, LCD Screen Size: 6.3 inch TFT LCD Screen.
Basically copy coupon, view price history or create e-mail price alert. Do you want to know what the best price is?
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.
Link: Banggood product page
1. ($244.39): BG589b2e
2. ($244.39): BGProjcc
coupon code has to be applied in shop’s cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BG0db549, BGProj, BGSaleFeb8, BGSaleAD, BGMARCHSALE
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Check out price history chart (for all/most countries) for Thundeal YG550 1080P Projector Android 9.0 1/16GB. The lowest price was: $209.99.
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)).