protect your equipment televisions, computers,fridge and other refrigeration appliances. protects your equipment from lightning strikes, AC contamination as well as dust and fires.keeps your device from surges. it disconnects your appliance when experiencing extreme voltages of less than170v or greater than 250v. once connected, there will be a 15 second start-up delay to ensure that there is stable voltage of 170-250vprotect your equipment televisions, computers,fridge and other refrigeration appliances. protects your equipment from lightning strikes, AC contamination as well as dust and fires.keeps your device from surges. it disconnects your appliance when experiencing extreme voltages of less than170v or greater than 250v. once connected, there will be a 15 second start-up delay to ensure that there is stable voltage of 170-250vprotect your equipment televisions, computers,fridge and other refrigeration appliances. protects your equipment from lightning strikes, AC contamination as well as dust and fires.keeps your device from surges. it disconnects your appliance when experiencing extreme voltages of less than170v or greater than 250v. once connected, there will be a 15 second start-up delay to ensure that there is stable voltage of 170-250vprotect your equipment televisions, computers,fridge and other refrigeration appliances. protects your equipment from lightning strikes, AC contamination as well as dust and fires.keeps your device from surges. it disconnects your appliance when experiencing extreme voltages of less than170v or greater than 250v. once connected, there will be a 15 second start-up delay to ensure that there is stable voltage of 170-250vprotect your equipment televisions, computers,fridge and other refrigeration appliances. protects your equipment from lightning strikes, AC contamination as well as dust and fires.keeps your device from surges. it disconnects your appliance when experiencing extreme voltages of less than170v or greater than 250v. once connected, there will be a 15 second start-up delay to ensure that there is stable voltage of 170-250vprotect your equipment televisions, computers,fridge and other refrigeration appliances. protects your equipment from lightning strikes, AC contamination as well as dust and fires.keeps your device from surges. it disconnects your appliance when experiencing extreme voltages of less than170v or greater than 250v. once connected, there will be a 15 second start-up delay to ensure that there is stable voltage of 170-250v