1、High-precision 4-digit LED display of current, voltage and power, intuitive and clear. 2、Using MCU computer control, the output is more accurate and the functions are diverse. 3、Coded switch step adjustment: voltage and current settings make the settings more accurate and flexible. 4、Store and recall 2 sets of current and voltage. 5、Multiple protection functions: over-current (with buzzer alarm), over-voltage, over-temperature, and overload. 6、Intelligent temperature control fan, environmental protection and energy saving, extend fan life and reduce noise. 7、USB communication interface, support Modbus protocol. 8、Exquisite plastic panel, small size and portable, stable output and high cost performance. 9、Applicable to lab, research, DIY engineering, factory, repair, product aging such as resistor, capacitor, DC motor, LED, etc. This DC power supply is of small size and high performance. It features LED digital display, variable design, recall/ save function, multiple protection functions, good heat dissipation and low noise, can be widely used in lab, research, DIY engineering, factory, repair, product aging and more. Features: High-precision 4-digit LED display of current, voltage and power, intuitive and clear. Using MCU computer control, the output is more accurate and the functions are diverse. Coded switch step adjustment: voltage and current settings make the settings more accurate and flexible. Store and recall 2 sets of current and voltage. Multiple protection functions: over-current (with buzzer alarm), over-voltage, over-temperature, and overload. Intelligent temperature control fan, environmental protection and energy saving, extend fan life and reduce noise. USB communication interface, support Modbus protocol. Exquisite plastic panel, small size and portable, stable output and high cost performance. Applicable to lab, research, DIY engineering, factory, repair, product aging such as resistor, capacitor, DC motor, LED, etc. Specifications: Plug: US/ EU/ UK (Optional) Model: LW-305EC/ LW-3010EC (Optional) Output Current: 0-5A (LW-305EC); 0-10A (LW-3010EC) Output Voltage: 0-30V Power Effect: Voltage ≤0.2%, Current ≤0.2% Load Effect: Voltage ≤0.25%, Current ≤0.25% Ripple: Voltage ≤30mV rms, Current ≤20mA rms (LW-305EC) Ripple: Voltage ≤30mV rms, Current ≤25mA rms (LW-3010EC) Output Resolution: Voltage 0.01V, Current 0.001A (LW-305EC) Output Resolution: Voltage 0.01V, Current 0.01A (LW-3010EC) Operating Environment: --Altitude ≤2000m --Ambient Temperature: -10~40℃ --Relative Humidity: ≤80% Storage Environment: --Ambient Temperature: -40~85℃ --Relative Humidity: ≤80% Input Power: 50/60Hz, AC 220V/110V±10% Interface: USB Item Size: Approx. 215 * 151 * 70mm / 8.46 * 5.94 * 2.76in Item Weight: Approx. 1412g / 3.11lbs Package Size: Approx. 31 * 19.2 * 11cm / 12.20 * 7.56 * 4.33in Package Weight: Approx. 1865g / 4.11lbs Package List: 1 * DC Power Supply 1 * DC Power Supply