• Protect electronic device from power surges • Light "on" indicates working properly, light "off" indicates tripped surge protector. Unplug and plug back in to resume normal operation • Rating: 15A-125VAC-60Hz-1875W • VPR (power rating) - 800 Volts type 3SPD • ETL listed, meets UL Standard No. 498A and UL 1449, CSA Standard C22.2 #42 and 269.3