- Optional external AC power adapter ensures consistent power; - Reliable proven performance; - Use with TRENDnet TK-200 and TK-400 KVM series. - AC-DC ADAPTER; - Plug-In Class 2 Transformer; - Model: JOD-41U-04; - Input: AC 12V 60HZ 79 mA; - Output: DC 9V 500mA.