Two LED screen two LED screen seperately display current and voltage,provide you with a simple operation, economical and practical, the excellent performance maintenance instrument. Maintenance of communications-specific power,the power supply is designed Only for mobile phones and other communications equipment. Voltage measurement interface can be replaced by precise digital voltmeter measurements voltages DC Gear to adjust the output voltage or smooth regulating the output voltage setting voltage output : gear adjust setting output ,smooth adjust set voltage output 1.5V ,3.6V ,4.8V, 6V ,7.2V, 0-15V current gear :0.6A~2A adjustable Gear to adjust the output voltage or smooth regulating the output voltage setting voltage output : gear adjust setting output ,smooth adjust set voltage output 1.5V ,3.6V ,4.8V, 6V ,7.2V, 0-15V current gear :0.6A~2A adjustable