6 protected ac outlets: shield your expensive office, computer, household, or home theater electronics against harmful voltage fluctuations, surges, and energy spikes of up to 650 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