The line-interactive EP UPS provides stable and reliable power protection with scalable runtime It is ideal for PC users or small business companies, as well as for small telecom applications. The line-interactive EP UPS is compact and provides stable power protection against surges and spikes. It is ideal for PC users or small business companies, as well as for small telecom applications. Its embedded microprocessor controller guarantees high reliability. It can automatically shut down without any load and restart while AC power is recovering. With Simulated sine wave, cold start function, and USB/RS-232 communication port and RJ-11 phone protection, it will be a good choice.