Accurate monitoring system that can be added anywhere into your Thermaltake CPU cooling system. On the monitor set an alarm temperature, if your computer system gets to that level an alarm will sound, giving you that extra guarantee on your computers functionality. Also there is a small dome component that attaches into the cooling pipe system, inside of the transparent dome is a fan, when the coolant in the system passes through it moves the fan, showing you the direction in which the system is pumping.