4k projector prices

Listed bulb-life figures include 20,000 hours and 50,000 hours; at least one listing did not indicate bulb life.

Audio features vary: built-in speakers of different power levels (examples include a 30W system), smaller Hi‑Fi or 1×3W speakers in portable models, Bluetooth audio streaming, and some listings mention advanced object-based sound features.

Warranty periods shown include a 1 Year Limited Warranty, a 3 Year Limited Warranty, and some shorter limited-time warranties (for example, a 20 Day Limited Warranty in certain entries).

Reported brightness values include 2,000; 2,500; 2,700; 3,450; 7,000; and 8,000 lumens — a range of roughly 2,000–8,000 lumens across the listings.

Maximum resolutions listed include 3840×2160, 7680×4320, 1920×1080 (also shown as 1080×1920 in one entry), and some atypical entries such as 1080×720 and 1080×1080.

Listings reference laser and LED light sources; some higher-end descriptions specifically mention triple‑laser technology in addition to general laser references.

Advertised screen sizes vary widely: entries mention up to 120" and 130" class ultra‑short‑throw images, projection up to 150 inches, portable ranges such as 40–120 inches, and some descriptions claim up to 200 inches.