Tripp Lite OMNISMART350HG Omni Smart 350VA Hospital-Grade Line-Interactive UPS (4 Outlets) 330VA/225 watts line interactive tower UPS Ideal UPS protection for applications in medical patient-care areas where UL 60601-1 listed electrical medical equipment is required Hospital-grade plug and outlets offer added degree of safety and reliability to input/output connections 2 line phone suppression for TEL/DSL line protection 4 diagnostic LEDs indicate AC present, on battery, voltage correction & battery low/replace