Acer X1128H (DSV1844) DLP projector 3D SVGA (800 x 600, 4800lm)Projection system: DLPNative resolution: 800 600 (SVGA)Maximum resolution (input): 1920 1200Brightness: 4800ANSI lumensContrast ratio: 20,000:1 (typical)Aspect ratio (native): 4:3 supports 16:9 as wellThrow ratio: 1.94 to 2.16:1Zoom: 1.1 optical, 2 digital zoomLamp / light source: 220W lampLamp life: up to 6,000 hours (standard), up to 10,000 hours (eco), up to 15,000 hours (extreme eco)Supported refresh: 24120 Hz (vertical)Colour support: 1.07billion colours (30-bit)Projection size: from ~23 (58.4cm) up to ~300 (7.62m)Projection distance: approx. 1m 11.8m3D support: yes (DLP 3D)Builtin speaker: mono, 3W outputInput / output ports: 1 VGA In, 1 VGA Out, 1 HDMI, 1 USB Type-A (for wireless dongle or service), 1 Composite Video In (RCA), 1 3.5mm audio in, 1 3.5mm audio outProjection modes: Front / Rear / Ceiling / RearCeiling DSD 15.10.2025 (IN#001130)