The CyberPower Systems CP1285AVRLCD UPS, designed for mid to high-end computer systems, features dynamic line conditioning and a LCD diagnostic display. 12 Minute Half-load - 4 x NEMA 5-15R - Backup/Surge-protected, 4 x NEMA 5-15R - Surge-protected. The CP1285AVRLCD also guards against surges/spikes, and also offers battery backup in the event of brownouts or total power loss. Automatic Voltage Regulation (AVR) ensures that all your electronics are receiving clean power and stabilizes the voltage to a nominal 120VAC.