Feature: 1. Equipped with LED 4‑digit display, it can clearly display voltage, current and power, easy to operate. 2. Built‑in fast charging protocol identification chip, support USB fast charging function. 3. It can be used for phone repair, computer repair, electrical repair, school laboratory research and production line use. 4. Output voltage and current can be adjusted continuously between 0 and the rated value through fine adjustment and coarse adjustment. 5. With over‑voltage protection (OVP), over‑current protection (OCP), over‑heat protection and improved short‑circuit alarm function. Specification: Condition: 100% Brand New Item Type: DC Power Supply Material: Aluminum Alloy Product Model: DPS605U Output Power: 300W Output Voltage: 0-60V Output Current: 0-5A Auxiliary Function: USB fast charge, support multiple fast charge protocols Protection Mode: Current limit protection/short circuit alarm stop output, self-recovery Working Environment: Input Power: AC 230V/115V±10%; 50Hz/60Hz Working Temperature: 0℃-40℃; Relative Humidity: <80%RH Storage Temperature: -10℃-70℃; Relative Humidity: <70%RH Regulated State CV: Voltage Stability: 0.1%±3mV Load Stability: 0.2%±3mV Ripple Voltage: ≤0.5% Vp-P Adjustable Voltage: 0 to rated voltage continuously adjustable Steady Flowing State CC: Current Stability: 0.1%±3mA Load Stability: 0.2%±3mA Ripple Current: ≤0.5% Vp-P Recovery Time: ≤500μS Temperature Coefficient: ≤100ppm/℃ Adjustable Current: 0 to rated current continuously adjustable Meter Display: 0.56in white light 4-digit digital tube display Display Accuracy: 0.5%±3 words Display Resolution: Voltage 0.01V, Current 0.001A. Package List: 1 x DC Power Supply1 x Data Cable1 x Clip Line Note: When see the 230V switch behind the power supply, allowable input voltage: AC230±10%; when see the 115V switch behind the power supply, allowable input voltage: AC115±10%.