Protect your air conditioner, freezer, ice maker, washing machine, or any large appliance from high and low voltages. 
It takes 4 minutes for the SAFETYCYCLE to turn green once the voltage returns to normal. 
As soon as the green light turns on, the current can flow. 
Disconnecting overvoltage 
A four-minute safety cycle 
LED Indicator with 3 modes 
A power consumption of 3600W

In order to protect the appliance plugged in, this product functions similar to a fuse, in that it is able to disrupt its function if a sufficient power surge occurs. It is only capable of protecting the appliance once, so once it has protected it from a surge, it is done and no longer works.