Monoprice 106877 4 Channel 12V DC 5 Amps CCTV Camera Power Supply Powering multiple cameras could Not be easier! Monoprice's line of Professional CCTV Power Supplies give installers what they expect when it comes to power supplies quality and reliability Every channel is protected with Auto-Reset PTC fuses which means these fuses will Not blow This box can be mounted to any surface plugged into an AC outlet and up in seconds!