The Promate Beamer 250R is a 4K compatible wireless LCD projector rated at 250 ANSI brightness, built for turning a wall into a screen without a fixed installation. It accepts sources up to 4K at 60Hz and connects wirelessly, so a phone or laptop can cast without running a cable across the room.

Auto keystone correction squares the image when the projector sits off centre, removing the usual trial and error of lining it up. A built in speaker means no separate sound system is needed for casual viewing, and ambient RGB lighting adds background colour for film nights and gaming. A remote control is included in the box.

• Model No: Beamer-250R
• Display technology: LCD
• Brightness: 250 ANSI lumens
• Resolution support: Up to 4K at 60Hz
• Connectivity: Wireless casting
• Image correction: Auto keystone
• Audio: Built in speaker
• Lighting: Ambient RGB
• Included: Remote control
• Colour: White
• Warranty: 2 years

• Wireless casting is what makes a projector practical in a rented flat where cabling is not an option.
• Auto keystone saves the fiddling that usually follows moving a projector to a new spot.
• Accepting 4K at 60Hz means a games console runs at its normal refresh rate rather than 30Hz.
• The built in speaker keeps it usable straight out of the box, before any soundbar is added.
• At 250 ANSI it suits evening viewing indoors and outdoor use after dark, rather than daylight.