Feature: 1. Backlit 4 Digit LED Display: This DC regulated bench power supply features a backlit 4 digit LED display that provides more accurate readings of voltage and current values and is clearly visible even in low light conditions. 2. Safe And Reliable: This DC voltage stabilized power supply is made of excellent materials and reliable circuit design with multiple guards such as short circuit guards, overload guard, grounding terminals, temperature control fan, and so on to ensure performance and prolong the service life. 3. Accurate Encoder Knobs: This DC power supply uses accurate encoder knobs to set only the voltage and current. You can press the voltage and current encoder knobs to select the number you want to adjust, and then rotate the knob to set a value from 0‑9. Each digit can be easily set with the accurate encoder knob. 4. Wide Application: This adjustable regulated power supply has a wide range of applications for laboratory, schools, maintenance, electrolysis, electroplating, brush plating, lamp testing, aging testing, battery charging, home DIY and other requirements. 5. Sturdy And Robust: This adjustable switching regulated power supply is made of excellent quality ABS and iron material, which is sturdy and robust, not easy to be damaged, and has a long service life. Specification: Item Type: DC Regulated Power Supply Material: ABS, Iron Input Voltage: 110V, 220V (Adjustable) Output Voltage: 0-30V Output Current: 0-5A Operating Temperature: 0-40°C. Package List: 1 x DC Regulated Power Supply 1 x Power Cord 1 x Test Cable 1 x Manual