| Projector brightness | 4500 ANSI lumens |
| Projection technology | DLP |
| Projector native resolution | SVGA (800x600) |
| Contrast ratio (typical) | 20000:1 |
| Native aspect ratio | 4:3 |
| Smart projector | No |
| Projection distance | 1 - 12 m |
| Number of colours | 1.07 billion colours |
| Uniformity | 85% |
| Horizontal scan range | 15 - 100 kHz |
| Vertical scan range | 24 - 120 Hz |
| Keystone correction, vertical | -40 - 40° |
| Light source type | Lamp |
| Lamp power | 203 W |
| Lamps quantity | 1 lamp(s) |
| Focal length range | 22 - 24.1 mm |
| Aperture range (F-F) | 2.56 - 22 |
| Zoom capability | Yes |
| Throw ratio | 1.96 - 2.15 |
| Offset | 120% |
| Analog signal format system | NTSC, PAL, SECAM |
| Full HD | No |
| 3D | Yes |
| Supported graphics resolutions | 800 x 600 (SVGA), 1920 x 1200 (WUXGA) |
| VGA (D-Sub) ports quantity | 2 |
| HDMI ports quantity | 2 |
| Composite video in | 1 |
| DVI port | No |
| USB 2.0 ports quantity | 1 |
| Serial interface type | RS-232 |
| Smart TV | No |
| Ethernet LAN | No |
| Wi-Fi | Yes |
| Miracast | Yes |
| Card reader integrated | No |
| Noise level | 31 dB |
| Interactive | No |
| Noise level (economic mode) | 26 dB |
| Projection modes | Ceiling, Front, Rear |
| Country of origin | China |
| Compatible operating systems | Windows, MacOS, ChromeOS |
| Built-in speaker(s) | Yes |
| RMS rated power | 3 W |
| Number of built-in speakers | 1 |
| Product type | Standard throw projector |
| Market positioning | Presentation |
| Product colour | White |
| Placement | Ceiling |
| Built-in display | No |
| Power source | AC |
| Power consumption (typical) | 260 W |
| Power consumption (standby) | 0.5 W |
| AC input voltage | 120 - 230 V |
| Weight | 2.4 kg |
| Width | 299.5 mm |
| Depth | 220 mm |
| Height | 105.1 mm |
| Harmonized System (HS) code | 85286200 |
| Description |
| Acer Basic P1157i. Projector brightness: 4500 ANSI lumens, Projection technology: DLP, Projector native resolution: SVGA (800x600). Light source type: Lamp, Lamp power: 203 W, Lamps quantity: 1 lamp(s). Focal length range: 22 - 24.1 mm, Aperture range (F-F): 2.56 - 22, Throw ratio: 1.96 - 2.15. Analog signal format system: NTSC, PAL, SECAM, Supported graphics resolutions: 800 x 600 (SVGA), 1920 x 1200 (WUXGA). Serial interface type: RS-232 |