ViewSonic Auto Vertical Keystone 4K UHD Projector

Identifiers
MPN	Viewsonic PX748-4K
Dimensions / Weight
Key Features
Audio L/R out	1
Cable lock slot type	Kensington
Colour	White
Contrast ratio	12000:1
Depth	108 mm
Harmonized System HS code	85286200
HDMI version	2.0
Height	222 mm
Horizontal scan range	15 - 129 kHz
Keystone correction horizontal	40°
Lamp power	240 W
Light source type	Lamp
Market positioning	Home cinema
Native aspect ratio	16:9
Number of colours	1.07 billion colours
Operating relative humidity	0 - 90 %
Operating temperature	0 - 40 °C
Power consumption	310 W
Power consumption (StandBy)	0.5 W
Power source	AC
Projection distance	0.75 - 9.76 m
Projection technology	DLP
Projector brightness	4000 ANSI lumens
Projector native resolution	2160p (3840x2160)
RMS rated power	10 W
Screen size compatibility	762 - 7620 mm (30 - 300")
Serial interface type	RS-232
Service life of light source (economic mode)	20000 h
Throw ratio	1.13 - 1.47
Vertical scan range	23 - 240 Hz
Width	312 mm

Viewsonic is a brand of computer monitors, projectors, and other electronics. It was founded in 1987 and is now a subsidiary of TPV Technology.