Education Business Professional Projector LW900UST Projector WXGA 1280*800 4800 Lumen 3LCD Short Throw Laser Projector

The product is advertised as WXGA (1280 x 800). Note: the specification sheet also lists a 'Physical Resolution' of 720P — please confirm the native resolution with the seller if exact native-pixel detail is critical.

The LW900UST supports up to 1080p (Full HD) as a maximum supported resolution.

It delivers 4800 ANSI lumens (listed as Ani Lumens), suitable for well-lit classrooms and meeting rooms.

The specification lists a contrast ratio of 5000,000:1, which is intended to provide deep blacks and bright whites for clear image detail.

This model uses 3LCD imaging technology for vibrant, accurate color reproduction.

Yes — the LW900UST is an ultra/short-throw (UST) projector, designed to produce large images from a short distance. Check the detailed spec sheet or manual for exact throw ratio and recommended placement distances.

The projector uses NICHIA laser light sources. Laser-based illumination typically eliminates the need for regular lamp replacements and offers longer, more stable brightness over time compared with traditional lamps.

Yes, the LW900UST includes built-in speakers so it can output sound without an external audio system. For higher-quality or higher-volume audio, external speakers are recommended.

No. The LW900UST is not portable and does not have a built-in battery. The single unit weighs about 14 kg and is intended for fixed or semi-permanent installations.

It features a manual focus lens, allowing you to fine-tune sharpness manually during installation or setup.

Specific input/output ports are not listed in the brief spec. Typical projectors in this class often include HDMI, VGA, and USB ports, but please check the full product specification or contact the seller for the exact I/O configuration.

The LW900UST is designed for classrooms, training rooms, business meetings, conferences, seminars, and community displays where bright, large, and color-accurate images are needed.

Short-throw projectors can be ceiling-mounted or placed on a table close to the screen. Because placement distance and angle are important for image size and keystone, follow the manufacturer’s installation guide or consult a professional installer for best results.

Laser projectors generally require less maintenance than lamp-based units. Regular tasks include keeping vents and any filters clean and ensuring the unit has proper ventilation. There is no lamp to replace, but refer to the user manual for recommended cleaning intervals and procedures.

Warranty and support details are not included in the provided description. Please check the retailer listing or contact BYINTEK or your vendor for warranty length, coverage, and support options.