Prevent PC shutting off as a result of the internal electronic components heat.

Internal and external air is isolated to prevent the dusts, greasy stain, and humidity getting into the interior.
 

The temperature can be controlled under a definite range to extend electronic components life.
 

Malfunction alert, self-diagnostic and output signal can be connected to main computer.
 

No condensation water which results the problem of drainage

Versatile control modes meet different requirements