... Contrast ratio:2000:1 Mini projector home theather with high quality, 240ml and 2000:1 contrast ratio Projection imaging modalities0.45" ... inches(0.6 m-8 m)Zoom ratioManualInput AV in,Micro SD card, USB Port, HDMI, VGAOutputSpeaker,EarphonesKeystoneAuto ... 3W x 2 StereoPower consumption60W Power sourceDC12V 5A Adapter, Built-in Lithium Battery 2200mAHAccessoriesUser Manual, Battery, Stand, DC Adapter, ...