Max Resolution: from HD Signal Support 2K 4K UHD, Include Dust removal net, Aspect Ratio: 4: 3/16: 9/Auto, , 6D Keystone: Support 4 point Corner keystone correction for side projection +/- 50 Degree /and Vertical +/-15 Degree, Color Gamut: 80%, Multiscreen Version Wired sync display with IOS Devices, Support Bluetooth: wireless contact with headphones / speaker / Soundbar, Zoom: 50-100%, 3D Function: Support red-blue 3D, Supports reading office software (Excel/Word/PDF/ PPT) via USB stick directly, Real Native Resolution: 1920*1080, WiFi: Wireless Technology support 2.4G /5G WIFI Display / wireless sync display with Android/IOS Devices, Contrast Ratio: 15000: 1, Brightness: 7800 Lumens.
Basically copy coupon, view price history or create e-mail price alert. Let’s see what best price is ATM.
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 price update (UTC time):
Banggood
Banggood warehouse is located in China. One coupon is available. Cool!
Link: Banggood product page
1. ($311.39): BGProjcc
apply it 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/i1u
Old coupons (from the oldest to the newest): BGCTD97, BGAProjector, BGprtecmundo, BGVSFHG, BGALIBUYJ210, BGAudioVideo, BGProj, BGANFBW, BGcd428e, BGJNC11, BG589b2e, BGSaleFeb8, BG59a0d8, BGe713b9
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Here is price history (for all/most countries) for ThundeaL TD97 Projector 1080p. The lowest price was: $199.99.
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)).