Perfect for home, office and school use Has 4 protected AC outlets that protects against harmful voltage fluctuations, surges, and energy spikes of up to 525 Joules with 3-line AC protection Absorbs excess energy to guard from electrical damage and cleans power to maintain data integrity Robust housing protects from fire, impact and rust LED 'Not-Grounded' indicator when outlet is not grounded Recessed power switch avoids accidentally powering off devices and sliding safety covers help to protect children Has a 2-meter heavy duty long cord that keeps multi plug surge protected extension lead out of the way and ensures optimal power flow to devices