, 4 Protected AC Outlets: Shield your expensive office, computer, household, or home theater electronics against harmful voltage fluctuations, surges, and energy spikes of up to 525 Joules with three-line AC protection , Ultimate Safety: Absorbs excess energy to guard from electrical damage, cleans power to maintain data integrity, and contains or smothers fire caused by a huge surge , Smart Design: Robust housing protects from fire, impact, and rust. LED Not-Grounded Indicator when outlet is not grounded. Recessed power switch avoids accidentally powering off your devices. Sliding safety covers help to protect children , 2m Long Cord: Heavy-duty 2-meter power cord keeps multi plug surge protected extension lead out of the way and ensures optimal power flow to your devices , Connected Equipment Warranty: If your device is damaged by an electrical charge while properly connected to the surge protector, Belkin will repair or replace it