Hey guys ,check out the video of this 100 inch 16:9 PET Crystal ALR projector screen
One.Xiaomi Laser UST projector
First, let me introduce the projector we used in this evaluation: Xiaomi ultra-short-focus laser projector.
Specifications
Features:Bluetooth
Projector Type:Home Theater Projector
Projection Technology:DLP Native Resolution:1080P (1920×1080)
Video Format Resolution:4K
Brightness(Lumens):5000
Brightness Range:4000 Lumens & Above
Contrast Ratio:3000:1
Aspect Ratio:16:9
Projection Screen Size (inch):60-120
Speakers Included:Yes, built-in
Supported Operating Systems:Android 6.0
Model:MI
Connectors:USB, HDMI
Connection:Wireless
Power (W):250
Languages:Simplified Chinese, English
Two:Features of PET Crystal
You can clearly observe that the color of the curtain has changed as the angle changes.
Here is a comparison of the details of the Matt White material and PET crystal .
Three:Comparison of Matte White and PET crystal
In the case of turning off the lights, the effect of projecting in Matt White and PET crystal is not much different.
But as can be seen from the side, the color saturation of PET crystal is higher than the white wall.
In the case of strong daylight, the PET crystal material has a huge advantage over the white wall.
Four:Comparison between White wall、Matt White and PET crystal 
It can be clearly seen from the two pics that the brightness of PET crystal is higher during the day.
Compared with the PET crystal screen, Matt White has higher brightness, but the color is not as bright as the PET crystal screen.
Five :Figure pictures of PET Crystal screen
