Use settings of appearence and create unique digital clock looks like digital clock on vacuum gas indicators.
* Select color of digits, background, grid, glow;
* Set visibility of seconds, AM/PM, glow, grid;
* Select kind of indicators.
Use the indicator clock as resizeable app widget.
Use the indicator clock in fullscreen mode with keep screen on.
App supports all screen resolution without lost of quality.
Stability of the clock is guaranteed without additional permissions and global settings.