GW (12V 18 Port 20 Amp) Camera Power Box for Security Camera - New Technology! PTC fuse protection for Circuit Short, High Voltage, and Over Current. Consolidate all cameras power. FREE 1 Year Warranty and FREE Life Time Tech Support within U.S. Don't have to replace burned fuses. Positive Temperature Coefficient (PTC), Auto Reset Fuse PTC fuse protection for Circuit Short, High Voltage, and Over Current. Consolidate all cameras power (12V, 18 port, 20A) to one central location. Wall Mount Heavy duty metal case. LED indicator for each power output.