1. This model have OVP\OCP\short circuit and over temperature protection etc. 2. Certificate: CCC/CE/UL/PSE/GS/ROSH/CEC V etc. Wall Mounted Switching Adapter Output Power: 6W max. Input Voltage: 90-264VAC Input Current: ≤ 300mA Input Frequency: 50Hz/60Hz Output Voltage: 3V-15V Output Current: 3.0A Operating Temperature: -20º C--50º C Relative Humidity: ≤ 95% Efficiency: ≥ 75%Ripple&Noise: 120mV ...