AUTOMATIC VOLTAGE REGULATION (AVR): Safeguards against voltage fluctuations to extend battery life. PURE SINE WAVE UPS: System protects against power fluctuations, equipment damage and data loss. MORE USABLE POWER: This single phase line interactive UPS has 0.9 output power factor. REMOTE MANAGEMENT CAPABILITY: Add a communication card to this UPS to monitor devices remotely. ROTATABLE LCD DISPLAY: View of real-time conditions, alarm notice, and runtime information.