Support keystone correction which allows presenters more flexibility when setting up their projector in variable environments.amp can works for over 20000 hours</br>Multi-function interface: VGA / AV / USB / SD/ HDMI/Micro USB input speakers/ stereo headphones output</br>Resolution : 480*320 Pixels Resolution compatible : 1280*7201920 * 1080 Max 1080P HD</br>Manual focus adjusting get picture from 1.07 to 3.31 Meters. Help you enjoy watching movies playing games anytime</br>You can connect it with power bank through USB port connections do not have to connect it with wall adaptor during using. With its portable and light-weight features it is convenient to carry with.</br></br>Product Description</br></br><b>Features: </b><br>*Contrast Ratio: 500:1 Brightness (Typical): 400 lumens (LED lamp)<br>*Manual focus adjusting get picture from 1.07 to 3.31 Meters. Help you enjoy watching movies playing games anytime <br>*Easy changing in 16:9 and 4:3 aspect ratio; Low power consumption power supply easy to use<br>*Micro USB you can use power bank (5V 2A) to charge<br>*Keystone Correction:?15?<br><br><b>Specification: </b><br>1. Projector System: LCD TFT display<br>2. Native Resolution: 640*320?? support 720P/1080P<br>3. Brightness: 400 Lumens<br>4. Contrast Ratio: 500:1<br>5.Input interface: VGA / AV / USB / SD/ HDMI/Micro USB; Output: speakers/ stereo headphones<br>6. Lamps Type: LED 30W?? 20000-hour lifespan<br>7. Speaker: 2*(8? 2W)<br>8. Color: 16770K<br>9. Projection Method: Front; Projection Distance: 1.07-3.31M<br>10. Aspect ratio : 4:3 compatible 16:9; Image Size: 30-100 inches<br>11. Lens: F = 125; Lens Type: Manual focus adjusting<br>12. Input voltage: 12V 2.5A/5V 2A(Micro USB Power Bank Charging)<br>13. Operating modes: manual + remote control<br>14. Keystone Correction:??15??<br>15. Support Audio files: MP3/WMA/ASF/OGG/AAC/WAV<br>16. Support Image