This DC power supply adopts high technology for voltage stabilization. It's energy-saving￡? efficient more lightweight than the others similar products. It's safe and reliable for use with overload protection￡? over-voltage protection. <br><br><strong>Features:</strong> <br>Compact design￡? all metal construction￡? 4 rubber feet on the bottom for skid resistance. <br>High precision and good technique for product's safety and reliability. <br>Dual LED three digital tube display. <br>Current mA/A adjustable for display. <br>High stabilized output voltage and full output power. <br>Intelligent temperature control: adjustable fan revolving speed based on load power￡? noise reduced and life prolonged. <br>Short circuit protection￡? over loading/voltage/heating protection. <br>It's energy-saving￡? efficient more lightweight than the others similar products. <br>Ideal for scientific research￡? product development￡? laboratories￡? mobile and computer repair￡? etc. <br><br><strong>Application:</strong> <br>Aging test for electronic products; <br>Communication and maintenance; <br>LED manufacturing￡? lab￡? etc. <br><br><strong>Specifications:</strong> <br>Body Material: Metal <br>Rated Input Voltage: AC 110V? <br>Output Voltage: DC 0-30V? <br>Output Current: DC 0-3A / 0-5A / 0-10A (Optional) <br>Max. Output Power: 90W(3A); 150W(5A); 300W(10A)? <br>Voltage Stability: ?ü0.05% +1mV <br>Current Stability: ?ü0.1% +10mA <br>Load Regulation: CV ?ü0.2%+1mV￡? CC?ü0.2%+10mA <br>Ripple and Noise: CV?ü10mV(RMS)￡? CC?ü20mA(RMS) <br>Display: LED Digital Display <br>Resolution: Voltage: 0.1V; Current: 0.01A <br>Working Environment: -10~40??C￡? Relative Humidity: !#!lt!*!80% <br>Storage Environment: -20~80??C￡? Relative Humidity: !#!lt!*!80% <br>Dimension: 260 * 125 * 145mm / 10.24 * 4.92 * 5.7in (L * W * H) <br>Weight: 3A: 1731g / 3.817lb; 5A: 1743g / 3.842lb; 10A: 1818g / 4.008lb <br>Package Size: 32.5 * 19 * 22.5cm / 12.8 * 7.48 * 8.86in (L * W * H) <br>Package Weight: 2205~2285g / 4.861~5.038lb <br><br><strong>Package List:</strong> <br>1 * DC Power Supply <br>1 * Power Cord <br>1 * Clip Cable <br>1 * User Manual (English)