Acer C120. Projector brightness: 100 ANSI lumens, Projection technology: LED, Native resolution: WVGA (854x480). Service life of lamp: 20000 h. Aperture range (F-F): 0 - 1.87. Vertical scan range: 0 - 60 Hz, Horizontal scan range: 0 - 32200 kHz. USB connector type: micro USB B