... power supply, directly into 220 volts AC voltage electrical equipment, the use of standard 12- ... power supply, with 65 ° C overheating or low-voltage 10.6V automatic alarm, turn off function, the ... the power exhausted. Benefits: · Overheating or low pressure in the overvoltage, to issue a warning ... maximum rated power. Product Specifications: USB output voltage 5v500mA. 300mA no load current. Built-in ...