Viewsonic LS831WU

Weight: 9.9 kg
Depth: 387 mm
Brand: Viewsonic
Description: Purpose: office, projector resolution: 640x480, max. diagonal image size: up to 5 m, luminous flux: up to 1000 lm, technology: LCoS, connectors and interfaces: USB Type-B, RCA audio input, composite video input, features: card�
Width: 492
Height: 157
Peculiarities: Speakers
Additional Information: Accessories included: power cord, VGA cable, remote control with laser pointer, QSG
Type: Stationary
Connectors and interfaces: Ethernet, RS-232, USB Type-A, HDMI input x 2, S-Video input, VGA input, RCA audio input, mini jack 3.5 mm audio input, composite video input, component video input, HDMI
Purpose: For interactive class
HDMI Version: 2.0
Noise level: 34 dB
Contrast: 3000000:1
Max. frame frequency: 120 Hz
Number of built-in speakers: 2
Technology: DLP
Zoom digital: 2
Lamp type: Laser-LED
Light flow: 4500 lm
Number of LCD/DMD panels: 1
Projector resolution: 1920x1200
Image aspect ratio: 16:10
Image functions and options: 3D, keystone correction, motorized focusing, ultra short throw
Power per speaker: 10 W
F-number F, max: 2
Aperture number F, min: 2
Max. ratio of distance to image size: 0.252
Max. projection distance: 0.72 m
Max. diagonal size: 5.08 m
Max. line frequency: 102 kHz
Min. ratio of distance to image size: 0.252
Min. diagonal size: 1.78 m
Min. vertical frequency: 23 Hz
Min. horizontal frequency: 15 kHz
Lamp life: 20000 h
Lens shift: Vertically and horizontally
Keystone correction type: Vertical/horizontal