This surge protector has two groups of outlets. The first group has basic surge protection and the second group has surge protection and noise filtering. There are indicator lights to let you know if you're protected, a circuit breaker, and a concealed power button so you don't accidentally turn off your systems by pressing the button. The image shown on the Revain is actually two units, one on top of the other to show the front and back. There are two convenient sockets on the front panel, on which there are indicators, a switch and a switch. These are mains outlets with surge protection. There are six such connections on the back, plus four outputs with additional noise filtering. I tested it with a properly grounded power system and a faulty ground system, and the unit displayed the status of each: a green light for a properly grounded system and a fault indicator for a faulty grounded system. I would buy more of these if needed.
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