21.5inch Interactive Holographic Cylinder with High Transparency 3D Hologram Display Holotube
3D Hologram Cylinder (Holotube) creates a virtual feeling with a hologram-like visual effect. The hologram cylinder has a transparent liquid crystal built in, which creates a floating feeling in the image. By converting the image into virtual content such as 3DCG, it looks like a hologram.
- Stereoscopic Imaging: Through surface mirroring and reflection, the line of sight can see free-floating images and graphics in the cylindrical space.
- Bright Colors: The cabinet is stylish and beautiful with a sense of technology. The real spatial imaging is bright in color, with high contrast and clarity.
- Realistic Imaging: The stereoscopic effect is cool, and the naked eye 3D achieves a realistic effect.
- Strong Sense of Space: The light signal is emitted to a special prism, and after being gathered together, it forms a stereoscopic image with a real dimensional space.
- Easy to Install: Easy to install and construct, put it in the display position, and connect it to the power supply for use.

| Screen | 21.5inch | 10.5inch |
|---|---|---|
| Ratio | 16:09 | 16:09 |
| Active Area | 476(H)×268(V) mm | 135(H)×216(V) mm |
| Resolution | 1920 × 1080 | 1920 × 1280 |
| Brightness | 1,000 cd/m² | 500 cd/m² |
| Contrast | 1,000,000 : 1 | 800 : 1 |
| Viewing Angle | R/L 79 (Min.), U/D 79 (Min.) | R/L 79 (Min.), U/D 79 (Min.) |
| Response Time | 8ms | 8ms |
| Panel Type | LED | LED |
| External Connection Port | HDMI or USB | USB/SD Card |
| Outlook Structure | Sheet metal paint + acrylic material | |
| Video Format | MPG, AVI, MP4 etc | |
| Outlook Size | 625mm height × 370mm | 165mm height × 300mm |
Features: High-strength holographic imaging material, good grayscale performance, high transparency, high reflection, borderless display, can achieve more three-dimensional images.

The acrylic curved surface (inside) on the back of the display is mirrored. The image cannot be seen from the back.
Application Scenarios: exhibitions, museums, medical imaging, educational simulations, shopping malls, etc.

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