ChiQ B8U 4K projector + CLR frame screen 16:9

The projector:

ChiQ B8U 4k

SPECIFICATION

1. Light source
Source : laser
Colors : 130% BT.709, Dolby Vision, HDR10, HLG
Projection size : 80 to 150”, 120” is recommended
Brightness: 2,200 ANSI lumens*
Resolution: 3840x2160 4K UHD
Contrast : 1483:1
3D Compatible : yes
Throw ratio: 0.21:1
Corner correction: 8 points (4 corners and center V/H)
Projection modes: front/rear/ceiling front and rear
Electric focus : yes
Digital zoom : yes
Offset: 140%
Refresh rate: 4k @60fps
*Color light output and white light output may vary depending on application.
Color brightness was measured according to IDMS 15.4; white light output was measured according to ISO 21118.

2.Images
MEMC (MJC): yes with FlowMotion 4 (4K and 1080p compatible)
Certificates : Dolby Vision, HDR10, HLG
REC709 : 130%
ALLM (auto game mode): yes
Platform
OS : Android 11
Chromecast : yes
OK Google : yes
CPU: MT9629
GPU: MALI-G52
RAM : 2GB
RAM : 32GB
Wi-Fi : 2.4 + 5Ghz
Antennas : MIMO 2T2R
Bluetooth-compatible: 5.1

3. Interface
Inputs:
1x HDMI 2.1 with CEC
1x HDMI 2.1 with eARC and CEC
2x USB 2.0 with media player (5V 2A)
1x RS-232
1x LAN
Outputs:
1x SPDIF
1x coaxial
1x Jack 3.5
Clay:
2.2 sound system
Total of 20 watts
Dolby Atmos, DTS HD, Dolby Digital 5.1
Integrated DSP

4. Energy
Input : 110 to 250v
Current : 2.8A / 1.2A
Consumption: Max: 220wh
Eco mode : 145wh
Stand by mode : 0.39wh
Noise (eco/standard/bright) dB: 25.4/28.5/28.7

5. Delivery:
1 x Projector TV
1 x remote control
2 x AAA batteries
AC Cable: x4 (US, EU, UK, AUS)
1x Quick start guide
1x warranty card

The quality screen from Leinwandbau.info:

You are purchasing a ready-made CLR frame screen for ultra short throw projectors. Frame width 10mm slim frame. Easy installation system.

This canvas is a CLR canvas. This type of canvas has slats that are black on one side (top) and white/grey on the other side (bottom).

The screen cloth only reflects the light from the projector, but no/little light that comes from other light sources such as windows or lamps.

The screen consists of an aluminum frame that you have to put together. Fiberglass rods are inserted around the outside of the screen.

and these are stretched onto the frame with springs. The frame screen is 36mm thick when it is hanging on the wall. The wall bracket is included.

Gain factor: 0.7

Viewing angle: 175°

Size chart: