portable magnifier with mouse shape

1.Automatically focus; 2.Of the enlargement range from 2 to 75 (21”LCD); 3.Of the mouse shape cameras; 4.Of colour, black/white and negative mode; 5.Can adjuste the image and the brightness; 6.With brackets,be able to achieve writing function,camera lens F=15.8mm; 7.Effective pixel: VGA 35 ten thousand; 8.videography range:max 200mm×200mm; 9.Image sensor: 1/4"CMOS,PAL color system; 10.illuminance:1 LUX; 11.white balance:2500K-7000K,Automatically; 12.horizontal resolution:480 13.brightness: 10Lux; 14.plus-minus:yes; 15.backlight compensation:auto; 16.color adjust: built-in; 17.Frozen image, Ultra-high contrast; 18.Resolution: (640 x 480); 19.Illumination:0.06W x 4(LED); 20.Dxl: 130 x 69 x 64 mm; 21.weight:90g