nominal size: 60-120 inch (s)    calculation mode: mirror image, reverse projection, front projection, ceiling    calculation technology: led    contrast ratio: 1000: 1-2000: 1    system: multimedia system    type: mini    correction of keystone distortion: no    projection distance: 0.9-2.6meter    optical resolution: 320 * 240    home cinema projector: no    aspect ratio: 4: 3/16: 9    light source: led lamp    power consumption: 15w    ansi lumen: 30 ansi lumens    reference: rd814    portable: yes    weight: 0.29kg    brightness: 50 lumens    interface: 3.5mm audio, tf card slot, usb, av    power supply: 12v 1.5a    projector size: 123 * 86 * 56mm    speaker: 8ohm, 1w    projection screen size: 25-80inch    life hours: 20.000 hours    c    unit of measurement: pcs.    shipping weight: 0.58kg (1.28lb.)    the size of the parcel: 20cm x 15cm x 15cm (7.87in x 5.91in x 5.91in)