Feature: 1. LED digital display, 4 digits display of voltage, and current. 2. Auto switching mode between CV and CC, indicator light prompt. 3. Over voltage, over current, over power, over temperature protection. 4. Shortcut parameter storage/call function. 5. Communication port: RS232 to realize the remote control. 6. Intelligent cooling fan with energy saving. 7. Encoder adjustment, the specified numbers can be adjusted accurately. Specification: This series of adjustable DC stabilized power supply is a single output DC stabilized power supply with four digits LED digital display. It can simultaneously display voltage, current; Constant voltage (CV), constant current(CC)mode automatic switching, voltage and current can be continuously adjusted; Using advanced switching power control technology and components, high efficiency, lightweight, energy saving and environmental protection. Features: LED digital display, 4 digits display of voltage, and current. Auto switching mode between CV and CC, indicator light prompt. Over voltage, over current, over power, over temperature protection. Shortcut parameter storage/call function. Communication port: RS232 to realize the remote control. Intelligent cooling fan with energy saving. Encoder adjustment, the specified numbers can be adjusted accurately. Caution: US Plug Input Voltage: 100-120V EU/UK Plug Input Voltage: 200-240V Specifications: Plug: EU / US / UK (Optional) Model: ETP1503A Material: Plastic + Galvanized Sheet Output Voltage: 0~15V, 0~15V, 0~30V, 0~30V, 0~30V, 0~60V, 0~60V Output Current: 0~3A, 0~6A, 0~3A, 0~5A, 0~10A, 0~3A, 0~5A Output Power: 45W, 90W, 90W, 150W, 300W, 180W, 300W Steady State: Voltage stability: ≤0.1%±3mV Load stability: ≤0.1%±3mA Steady Flow State: Current stability: ≤0.1%±3mV Load stability: ≤0.1%±3mA Display Accuracy: Voltage: 0.5%±3 bits Current: 0.5%±3 bits Ripple and Noise: VPP ≤1% Display Resolution: Voltage: up to 10mV Current: up to 1mA Power: up to 10mW Display Method: 4-bit red LED Nixie tube, 0.40 inch Power Input: AC 220V±10%/50Hz or AC 110V±10%/60Hz (Users need to explain when purchasing) Operating Environment: Indoor use, altitude: ≤2000m, temperature: 5~40℃, humidity: 10~85%RH Storage Environment: Temperature: -20~80℃, humidity: ≤80%RH Item Size: 190 * 70 * 130mm / 7.48 * 2.75 * 5.11in Item Weight: 995g / 2.19lb Package Weight: 1329g / 2.93lb Package Size: 26 * 13.5 * 18cm / 10.23 * 5.31 * 7.08in Package List: 1 * DC Regulated Power Supply 1 * Power Cable 1 * Alligator Clip Cable 1 * User Manual (English) Package List: 1 * DC Regulated Power Supply 1 * Power Cable 1 * Alligator Clip Cable 1 * User Manual (English)