Product Description: 12V 2A power supply 5.5mm x 2.1mm & 2.5mm plug adapters. Universal compatibility: Input: AC 100~240V, 50/60Hz Output: DC 12V, 2000mA (max) Versatile: Used in Night Owl Security cameras Safety protection: Automatic overload protection, overvoltage protection, overcurrent protection, overcharge protection, short circuit protection, temperature protection.