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BenQ LH856UST, 3500 ANSI lumens, DLP, 1080p (1920x1080), 3000000:1, 16:9, 1.07 billion colours
| Projector brightness | 3500 ANSI lumens |
| Projection technology | DLP |
| Projector native resolution | 1080p (1920x1080) |
| Contrast ratio (typical) | 3000000:1 |
| Native aspect ratio | 16:9 |
| Smart projector | No |
| Number of colours | 1.07 billion colours |
| Horizontal scan range | 15 - 135 kHz |
| Vertical scan range | 23 - 120 Hz |
| Keystone correction, horizontal | -15 - 15° |
| Keystone correction, vertical | -15 - 15° |
| Light source type | Laser |
| Service life of light source | 20000 h |
| Service life of light source (economic mode) | 38000 h |
| Fixed focal length | 5.1 mm |
| F-number (relative aperture) | 2.5 |
| Throw ratio | 0.33 |
| Offset | 124.6% |
| Full HD | Yes |
| 3D | Yes |
| Supported graphics resolutions | 640 x 480 (VGA), 3840 x 2160 |
| VGA (D-Sub) ports quantity | 2 |
| HDMI ports quantity | 2 |
| Composite video in | 0 |
| Component video (YPbPr/YCbCr) in | 0 |
| DVI port | No |
| Audio (L/R) in | 1 |
| Serial interface type | RS-232 |
| HDMI connector type | Full-size |
| HDMI version | 2.0b |
| USB 2.0 ports quantity | 2 |
| USB 2.0 Type-A ports quantity | 1 |
| USB 2.0 Type-B ports quantity | 1 |
| Audio (L/R) out | 1 |
| Microphone in | Yes |
| PC in (D-Sub) | Yes |
| Smart TV | No |
| Ethernet LAN | Yes |
| Wi-Fi | No |
| Ethernet LAN (RJ-45) ports | 1 |
| Card reader integrated | No |
| Noise level | 34 dB |
| Interactive | No |
| Noise level (economic mode) | 32 dB |
| Built-in speaker(s) | Yes |
| RMS rated power | 10 W |
| Number of built-in speakers | 2 |
| Product type | Ultra short throw projector |
| Market positioning | Education |
| Product colour | Black, White |
| Built-in display | No |
| Power source | AC |
| Power consumption (typical) | 170 W |
| Power consumption (standby) | 0.5 W |
| AC input voltage | 100 - 240 V |
| AC input frequency | 50/60 Hz |
| Cord length | 3 m |
| Operating temperature (T-T) | 0 - 40 °C |
| Weight | 6.5 kg |
| Width | 317.2 mm |
| Depth | 208 mm |
| Height | 376.4 mm |
| Remote control included | Yes |
| Batteries included | Yes |
| Mounting brackets included | Yes |
| AC adapter included | Yes |
| Security updates end date | 31/12/2026 |
