Feature: 1. ENCODER ADJUSTMENT: The DC power supply adopts the encoder adjustment, press the knob to move the adjustment position, can preset voltage and current. 2. 4 DIGIT LED DISPLAY: The regulated power supply uses 4 digits LED screen, displaying voltage, current, and power values, which is precise and reliable. 3. GOOD PERFORMANCE: This DC power supply has small voltage fluctuation, low ripple noise, stable output, less interference, and other advantages. 4. OUTPUT PARAMETERS: The output voltage is 0‑30V, the current is 0‑10A, the power is 300W, can be used at full load, stable and does not burn the machine. 5. TEMP CONTROL FAN: When internal temperature reaches a certain level, the fan automatically turns on for cooling, with compact size for saving space. Specification: Item Type: DC Power Supply Model: ETP3010B Output Voltage: 0-30V Output Current: 0-10A Output Power: 300W Stable Voltage State: Voltage Stability: ≤0.1%±3mV Load Stability: ≤0.1%±3mA Steady Current State: Current Stability: ≤0.1%±3mV Load Stability: ≤0.1%±3mA Display Accuracy: Voltage: 0.5%±3 Words, Current: 0.5%±3 Words Ripple and Noise: VPP <1% Display Resolution: Voltage: Up to 10mV, Current: Up to 1mA, Power: Up to 10mW Display Method: 4 digit red LED digital tube, 0.56 inch Operating Environment: Indoor Use, Altitude: ≤2000m, Temperature: 5-40℃, Humidity: 10-85%RH Storage Environment: Temperature: -20-80℃, Humidity: ≤80%RH Size: Approx. 190 x 115 x 150mm / 7.5 x 4.5 x 5.9in. Package List: 1 x DC Power Supply1 x Plug1 x Crocodile Clip1 x User Manual