Promate Wireless 4K Ultra HD DLP Projector (also known as the Beamer‑A250):

🎯 Key Specs & Features

• Display Technology: LCD, native 1080p with support for 4K @30 Hz over HDMI

• Brightness: ~200–250 ANSI lumens — suitable for dimly lit rooms, not bright daylight

• Monopod Stand: Telescoping from 225 mm to 750 mm with motorized height adjustment

• Smart OS: Android 11 built-in — comes with Netflix, YouTube, etc.

• Audio: 5 W built-in speaker + Bluetooth 4.0 for external connectivity

• Connectivity: Wi-Fi (2.4/5 GHz), Bluetooth, HDMI, USB (up to 64 GB flash / 512 GB HDD)

• Keystone & Focus: Auto keystone correction with manual focus

👍 Pros & Considerations

✔️ Pros:

• Multi-functional with built-in smart OS and adjustable stand.

• Great portability with handle/lens cover doubling as a grip.

• Decent visual quality for casual viewing.

⚠️ Considerations:

• Low brightness (~200–250 lumens) may appear dim in well-lit spaces.

• Native 1080p—4K is via upscaling, not true 4K.

• LCD panels in similar devices can suffer from grey/dull visuals in dark scenes

• Auto keystone and digital corrections may increase latency and distort lines