USB Type A Power Supply A built-in 5V/1.5A USB power output can be used to supply power to HDMI wireless dongles, eliminating the need for separate power adapters when streaming your multimedia content. Audio Right Out of the Box The projector comes equipped with a 16W speaker, allowing for audio to be delivered during presentations without the need for external speaker. Technical Specification Projection System: 0.55" XGA Native Resolution: 1024 x 768 Brightness: 4000 (ANSI Lumens) Contrast Ratio with SuperEco Mode: 15000:1 Display Color: 1.07 Billion Colors Light Source Type: 240W UHP Lamp Light Source Life (hours) with Normal Mode: 4000 Light Source Life (hours) with SuperEco Mode: 12000 Lens: F=2.7, f=7.15mm Projection Offset: 130%+/-10% Throw Ratio: 0.616 Optical Zoom: Fixed Digital Zoom: 0.8x-2.0x Image Size: 60"-300" Throw Distance: 0.75m-3.76m (77"@0.96m) Keystone: +19°/-19° (V) Audible Noise (Normal): 34dB Audible Noise (Eco) : 25dB Input Lag: 33.2ms Resolution Support: VGA (640 x 480) to FullHD (1920 x 1080) HDTV Compatibility: 480i, 480p, 576i, 576p, 720p, 1080i, 1080p Horizontal Frequency: 15K-102KHz Vertical Scan Rate: 23-120Hz Inputs Computer in (share with component): 1 HDMI: 2 (HDMI 1.4/ HDCP 1.4) Audio-in (3.5mm): 1 Outputs Monitor out: 1 Audio-out (3.5mm): 1 Speaker: 16W USB Type A (Power): 1 (5V/1.5A) Control RS232 (DB 9-pin male): 1 USB Type A (Services): 1 (share with USB A Output)