This 3 amps power supply can power up to 3 Security cameras, or 4/8 Channel DVR.
Input Voltage: AC100V/220V
Input Frequency: 60 HZ
Output Channels: 1 Port/Channel
Output Current: 3000MA/4AMP
Output Voltage: DC 12V
Peak Output Power: 7-10 Watts Surge
Output Plug: Male Plug
Work Environment: 14 F to 105 F 15%-80% Humidity Level