The APC Back-UPS 350 (120V) is designed to deliver professional power protection and battery backup for computer systems and other critical devices. With the ability to support up to 6 devices, this UPS ensures safe system shutdown and advanced power management through its USB and serial connections. It features built-in phone/fax/modem connections to protect against surges traveling on data lines. The unit offers over 4 minutes of battery backup for loads up to 210 watts, and its hot-swappable, user-replaceable battery system makes maintenance easy. Additionally, APC backs this product with a lifetime, $100,000 Equipment Protection Policy, ensuring your devices are safeguarded against surges and spikes.