A DC power supply is a type of power supply that gives direct current (DC) voltage to power a device . Because DC power supply is commonly used on an engineer's or technician's bench for a ton of power tests, they are also often called a "bench power supply." Features: Voltage display resolution: 100mV; current display resolution: 10m Voltage output: 0~30V consecutive and adjustable voltage Current output: 0~3A Auto voltage and current stabilization conversion, current limiting protection, undamaged for any external usage Specifications: Manufacturer: UNI-T Type of power supply: laboratory Kind of power supply: single-channel Kind of display used: LED Number of channels: 1 Output voltage: 2:0...30V DC Output current: 0...3A Output voltage resolution :100mV Output current resolution: 10mA Dimensions: 105x160x240mm Weight: 3kg Voltage (regulated) ripple and noise: ≤1mVrms Supply voltage: 100...240V AC Package Includes: 1 x DC Power Supply UTP3313TFL  30VDC 3A