Advanced Surge Protector is perfect for the home office, professional workstation. Voltage fluctuations, surges, spikes can damage your computer, peripherals and degrade overall performance. Belkin’s Advanced Surge Protector safeguards your equipment against damage, data loss, file corruption,system crashes. 2000 Joule energy rating provides superior power protection for all sensitive home office devices.7 Surge-protected outlets supply complete, 3-line AC protection.4-foot power cord delivers optimal, safe AC power through a heavy-duty cord.Phone-Line Protection ensures open, continuous phone-line connections. Surge Protection Indicator shows your equipment is protected. Mounting Holes easily secure surge protector to walls, baseboards, furniture.