About this item:
Input: 110V or 220V AC; Output: DC 12V or 24v or 5v. Three sets of output Channel.
Safety features: Automatic overload cut-off, over Voltage cut-off, automatic thermal cut-off, short circuit protection.
Voltage consistency: There is no voltage fluctuations to speak of at power on, during transmit, receive, or at power off.
It comes with built-in cooling fan and temperature detector. Cooling fan will not run until the inner temperature reaches 113°F (45?), which makes heat dissipation more efficient.