ACER X1228i WIRELESS | DLP | 4,800 ANSI LUMENS (STANDARD) | XGA (1024 x 768) | 6,000 HOURS (STANDARD) | 10,000 HOURS (ECO)| 15,000 HOURS(EXTREME ECO) | HDMI 1.4a X 1 | VGA X 1 | 12 MONTHS WARRANTY PROJECTOR HDMI 2.0 Photo printing from your USB

Photo printing from your USB flash drive becomes convenient via the front-access port

Frequency Response: 20hz~20Khz

High SafetyAnker's unique multiple protection system

With an all-screen design

ACER X1228i WIRELESS | DLP | 4,800 ANSI LUMENS (STANDARD) | XGA (1024 x 768) | 6,000 HOURS (STANDARD) | 10,000 HOURS (ECO)| 15,000 HOURS(EXTREME ECO) | HDMI 1.4a X 1 | VGA X 1 | 12 MONTHS WARRANTY PROJECTOR HDMI 2.0 Photo printing from your USBImage Native Resolution 1024 x 768 Maximum Resolution 1920 x 1200 Standard Mode Brightness 4800 lm Native Aspect Ratio 4: 3 Contrast Ratio 20,000: 1 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) Lamp Number of Lamps 1 Lamp Power 220 W Interfaces Ports USB Yes Composite Video Yes