【4-Digit Digital Display】Voltage , current, power,LED four-digit display, high precision voltage 0.01V, current 0.001A,You can easily tune it within 0-30V and 0-6A 【Constant Voltage (C.V.) & Current (C.C.) Mode Automatic Conversion】The constant voltage/current mode can automatically switch with load changes. 【Reliable and Safety】The power output adopt Leakage protection, Thermal protection, Voltage overload, Power overload and Short-circuit protection. 【Lightweight & Ultra Durable】Small size, light weight, high power density.The weight of the DC power supply is 2.9 pounds, . Easy to carry. 【Excellent Heat Dissipation】Equipped with a big fan controlled by intelligent temperature control sensor.Intelligent fan offers excellent heat dissipation effect.