【High Precision Display】: This DC bench linear power supply is equipped with a high-definition display even in low-light usage.The display is clear even in low light environment. Continuously adjustable 0 to 30 Volts and 0 to 5 Amp output with 0.01 V and 0.001 A precise accuracy 【High-Quality Multiple Protections】: The linear laboratory power supply is designed with current limit and voltage reduction, over-voltage protection, short-circuit protection, over-temperature protection, built-in fuse and automatic cooling fan to help dissipate heat inside the power supply 【Low Ripple & High Efficiency】: The adjustable 5v linear power supply has an advantage in terms of producing relatively lower ripple , and lower than switching dc power supplies. The entire efficiency rate of this power supply is higher up to 70%, which allows this power supply to output stable current quickly 【Wide Application】: This linear power supply variable is suitable for LED testing and aging, motor manufacturing, PCB production, battery charging, university laboratories and other occasions where DC regulated power supply is needed, it is the first choice of power supply products for factories, colleges and universities, scientific research, maintenance and other fields 【What You Will Have】1* dc linear power supply 30v host,1*quality standard 4mm Alligator Clip Leads with Banana Plug 20 inch length;1* US power cord, 1* user manual.You could enjoy 45-day free-returned,24-month warranty,and lifetime technology support. Naweisz linear power supply featuring highly reliable constant voltage and constant current power supply, its  parameter adjustment is designed the shuttle knob control, and to extend its service life. The dc power supply is with current limit and voltage reduction, over-voltage protection, short-circuit protection, over-temperature protection, etc, to ensure the safety of your equipment during operation.

Spefications:
AC input: 110V±10% 60Hz
Voltage output：0-30V
Current output：0-5A
Digital display resolution: voltage 0.01V, current 0.001A
Load stability: ≤10mV 
Ripple noise: ≤3mVrms
High voltage test: Leakage current <1mA  (test condition: input to ground 1750VAC/3S)
Insulation resistance: Insulation resistance >7MΩ (test condition: input to ground 500VDC/Ss)
Protection functions：overvoltage, over temperature and short circuit protection functions
Size: 26*12.5*15.5cm
Weight: about 4.8kg