Outstanding Features: 1: Acer Color Safe: Color Fidelity is maintained dynamically, Keeping Colors true and stable over time. 2: Acer Dynamic Black: Improves image contrast by dynamically adjusting darl scenes to optimal black levels. 3: Auto Ceiling Mount Correction: This features automatically flips the projected image over if the projectors is turned upside down. 4: Eco Projection: Helps the planet by saving energy. By not using hazardous substances. And by using recycles materials. 5: Acer Eco Projection: This device is designed to help the planet by automatically reducing standby power consumption by as much as 80% 6: wireless Projection: Project content without bothersome cables. Say goodbye to cable clutter and manual connecting of devices.   ·         Technical Information o    Projector technology: DLP o    Projecting method: Front/Front/Rear o    Vedio Compatibility: EDTV/HDTV/NTSC/PAL/SDTV/SECAM  3D Capability: DLP 3D o    Computer Compatibility: MacPC/ WinsowsPC ·         Projection Lens o    Lens Type : Manual Focus/Manual Zoom o    Minimum Lens Aperture: F/2.56 o    Maximum Lens Aperture: F/2.68 o    Minimum Focal Length: 22.04mm o    Maximum Focal Length: 24.14mm o    Minimum Diagonal Image Size: 23" o    Maximum Diagonal Image Size: 25ft o    Minimum Projection Distance: 39.37" o    Maximum Projection Distance: 39.04ft o    Optical Zoom: 1.1x ·         Lamp o    Lamp Type: UHP o    Number of Lamps: 1 o    Lamp Power: 200W o    Normal Mode Lamp Life: 4000 Hour o    Economy Mode Lamp Life: 6000Hour o    ExtremeEco Mode Lamp Life: 10000 Hour ·         Image o    Native Resolution: 800X600 o    Maximum Resolution:1920X1200 o    Standard Mode Brightness: 3200lm o    Native Aspect Raio: 4:3 o    Compatible Aspect Ratio: 16:9 o    Contrast Ratio: 20000:1 o    Throw Ratio: 1.96 to 2.15:1 o    Digital Zoom: 2x o    Vertical Keystone Correction: -40°/+40° o    Maximum Horizontal Sync: 100kHz o    Maximum Vertical Sync: 120Hz o    Minimum Vertical Sync: 24Hz o    Minimum Horizontal Sync: 15kHz o    Color Supported: 1.07 Billion Colors(30-bit) ·         Audio o    Number of Speakers : 1 o    Speaker Output Power: 3W o    Speaker Output Mode: Mono ·         Interfaces/Ports o    Number of HDMI Ports: 1 o    HDMI: Yes o    USB: Yes o    USB Connector Type: Mini-B/ Type-A o    Composite Video: Yes o    S-Video: Yes o    VGA In: Yes o    VGA Our: Yes o    Audio Line In: Yes o    Audio Line Out: Yes ·         Power Description o    Power Supply: 100 V AC~240 V AC o    Input Voltage: 120 V A C / 230 V A C o    Operating Power Consumption: 253W o    Operating Power Consumption (Eco Mode): 213W ·         Physical Characteristics o    Fan Noise: 26dB Approximate Economy Mode / 30dB Approximate Standard Mode o    Temperature: 32°F (0°C) to 104°F (40°C) o    Humidity: 80% Maximum Relative Humidity o    Weight (Approximate): 4.41lb o    Form Factor: Ceiling Mountable