12V DC 2 Amp power supply for use with high powered infrared security cameras and other security camera equipment requiring 1.5amp or more of 12 volt current. This power adaptor has sufficient amperage for use with security cameras that have 72 or more IR LEDs, or for cameras with power runs more than 150ft using a 18 awg cable. Be sure to check the power consumption (voltage and amperage) for your security equipment.