pc projector

Brightness across the selection ranges from about 70 lumens up to 3,450 lumens, depending on the model and intended use (portable vs. high-output units).

Many models offer adjustable or motorized focus plus keystone correction (examples list ±15°). Several units also include automatic setup features such as auto-level, auto-focus, or auto-keystone to simplify alignment and image correction.

Several models include built-in speakers—some list dual speakers for stereo sound, while higher-end units reference wide‑coverage or 360° playback. Many listings still recommend external speakers or Bluetooth pairing for fuller audio performance.

Supported resolutions in the results span from 800 × 480 up to 3840 × 2160. Several units list native 1080p or 720p panels, and a few note 4K support or 4K upscaling for lower‑resolution content.

Common wired connections include HDMI (standard and Micro HDMI) and USB; some models also list optical audio inputs. For wireless functionality, several projectors support Wi‑Fi mirroring and Bluetooth for audio or screen sharing, though availability varies by model.

Listed lamp‑life values vary by model: common entries include about 10,000, 20,000, and 30,000 hours. One listing expresses life as an approximate "2 Years," but most suppliers provide hours as the primary metric.