eTopxizu Dc 24v 15a 360w Switching Power Supply Transformer Regulated Input: 110V/220V AC; Output: DC 24V 15A max. Output voltage is adjustable 15%. 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 many holes on the metal case, which makes heat dissipation more efficient. 1 Year Warranty. IN-DOOR USE ONLY!