C&E CNE75877 6-Feet Surge Protector 8 Outlet Professional with Fax Modem Protection Max 2160 Joules Power Cord Surge Protector, 8 Outlet, Professional with Fax Modem Protection, Max 2160 Joules, Power Cord 6 foot Buzzer Alarms when the Internal Surge Protection Fails UL/CSA Approved NEMA 5-15P, Color: Gray 2160 Joules UL Clamping Voltage: UL 1449 330V