High frequency capacitor : Removes noise interference.
Power Ok indicator: Green light indicateds your electrical wiring is properly connected.
Multiple Stage metak oxide Varistor [MOV] Optional absorb surges:Provide common and normal mode protection from high energy spikes.
Safety Shutdown Technology :Uses Thermal fuses to power off your system.which protects against fire and other damage in the event of an extreme extended over voltage or when surge protection expires.
5 AC outlets with Children Safety Shutters: Help protect users and their children , keep dust and debris from unused outlets
2 ports usb charger.