Description :<br>MCH-K305D 0-30V 0-5A Adjustable Regulated DC Switching Power Supply 220-240V<br>Dc regulated power supply， high precision voltage regulator， steady flow， output voltage and current can be adjusted from 0 to 30 between continuousLow ripple and low noise， with current limiting protection and short circuit protection function.<br>Specification:<br>          Line Voltage       200-240V， 50Hz-60Hz           Input Current(at 220V AC， full load)       0.9A           Output Voltage Range       0-30V           Output Current Range       0-5A           Voltage Display Accuracy       &amp;plusmn;0.5%           Current Display Accuracy       &amp;plusmn;0.5%           Efficiency       \u226785%           Voltage Regulation           Load Regulation(10-100%)       50mV           Line Regulation(200-240VAC)       20mV           Ripple &amp;amp; Noise(P-P)       50mV           Current Regulation           Load Regulation(10-100%)       20mA           Line Regulation(200-240VAC)       20mA           Ripple &amp;amp; Noise(P-P)       20mA           Others           Operating Ambient       -10 C to +60 C \/ 30%RH to 90%RH           Size       7 x 16 x 22 cm           Weight       1.35kg   <br><br>Package includes :<br>1 x  MCH-K305D Adjustable Switching Power Supply1 x User manual (&amp;gt;&amp;gt;Can also down load the User Manual here&amp;lt;&amp;lt;)<br>Details pictures :