Acer X1228 H4800 lumens 20000:1 Contrast ratio DLP

Native Resolution : 1024 x 768

Maximum Resolution: 1920 x 1200

Standard Mode Brightness: 4800 lm

Native Aspect Ratio: 4:3

Compatible Aspect Ratio: 16:9

Contrast Ratio: 20,000:1

Throw Ratio: 1.94 to 2.16 (1295.40 mm@2000 mm)

Digital Zoom: 2x

Vertical Keystone Correction: -40°/+40°

Maximum Vertical Sync: 120 Hz

Maximum Horizontal Sync: 100 kHz

Minimum Vertical Sync: 24 Hz

Minimum Horizontal Sync: 15 kHz

Colour Supported: 1.07 Billion Colors (30-bit)