Outdoor 1080P Mini Projector Android Smart Portable Projectors 200 Lumens 1.2m 3m

1080P Mini Projector - 200 Lumens Outdoor Projector FHD Support

Brightness
The international standard unit is ANSI lumens. The measurement environment is as follows:
1)  The distance between the projector and the screen: 2.4 meters
2)  The curtain is 60 inches
3)  Measure the brightness of the 9 points of the projected screen with a light meter
4)  The average of the brightness of the 9 points is an ANSI lumen.
Various brands of projectors vary in the measurement environment, and although the ANSI

lumens are the same, the actual brightness is different.
Color
Almost all projectors support 24-bit true color. Therefore, to evaluate the color reproduction of the

projector, not only look at the color, but also look at the contrast.
Contrast
It is the ratio of black to white, that is, the gradient from black to white. The larger the ratio, the more

gradients are layered from black to white, resulting in a richer color expression.