S1 Portable  200 Lumens  Built-in 6000mAh (1A@5V) Up to 3-hour 30000 Hrs (max)  WVGA 854x480 1000:1  1.1(41"@1m @16:9 )

 S1 Portable  200 Lumens  Built-in 6400mAh (1A@5V)  Up to 3-hour  200 Hrs (max) WVGA 854x480  3500:1  1.4(16:9)