It's the CyberPower CP685AvrG, a high-quality, durable, and reliable uninterruptible power supply (UPS) system that offers advanced surge protection and innovative battery backup. This system is designed to shield your electronic equipment from lightning-induced surges and other power events that could cause damage. Featuring line-interactive topology, the CP685AVRG uses simulated sine wave output to provide sufficient battery backup, ensuring your connected electronics continue to function during a utility power failure. This UPS system has ample runtime to facilitate a graceful shutdown, safeguarding against data loss and potential damage to valuable desktop computers, workstations, networking devices, and home entertainment systems.The CP685AVRG employs Automatic Voltage Regulation (AVR) to rectify minor power fluctuations without switching to battery power, making it an essential tool in areas where power fluctuations are frequent.