The Altronix SAV18D is a CCTV Power Supply that converts a 115VAC input to a 12VDC output, which is then distributed over eighteen PTC protected limited outputs for powering surveillance cameras.The Sav18D features short circuit and thermal overload protection for optimal performance. 18 LEDs indicate output power status. The unit is easy to install and maintains camera synchronization. Also known as -18 PTC OUT CCTV UPS 12VDC 5A MAX-Altronix Proprietary 18 Output 110V AC 220V AC Input Voltage Wall Mount CCTV Pow-Altronix SAV18D Proprietary Power Supply - 110 V AC, 220 V AC Input Voltage - Wa-Altronix - SAV18D - Altronix SAV18D Proprietary Power Supply - 110 V AC, 220 V