Specification: Input voltage range: AC100-240V. Input voltage frequency: 50-60Hz. Output voltage: 12V / 5V Output voltage regulation: 5 percent. Rated output current: 2A Current output range 0-2A (over 2A the working time of more than 5 minutes). Output ripple ; noise: 100mVp-p. Working efficiency: 80-85 percent. Operating temperature: 0 +50 torage temperature -20 +85 tput short circuit protection. Input plug size: AC socket product suffix Output cable length 0.5 m (can be customized) Output DC head: 4 holes