UPS Line Interactive With Stabilizer Design, controlled precisely by a microprocessor, has a stabilizer for automatic voltage adjustment, protects against voltage drops and overvoltages nationwide, can back up electricity for about 10-30 minutes (depending on the device), can charge the battery to be ready for use faster than usual. High quality batteries have a long life, can display the status of Line Model, Battery Mode, Low Battery and UPS Fault, can display input / output voltage, input frequency / output frequency, load (VA, Watt) and backup time, has an outlet to back up electricity when it is out, has a surge protection circuit, has a burger to prevent short circuits, has a USB Fast Charger 2.1A, has a USB PORT for connecting to a computer, the body is made of high quality plastic, free from electric shock or leakage. ISO standard product