Mysmarthome energy plug in switch uses the z wave wireless controller technology and is able to detect voltage current instant power wattage 53150w and overload wattage 30103300w to connect your home lights or appliances to be used in conjunction with hauppauge mysmarthome controller upc 01554 3000w power control 15 amp switch monitors voltage current power instant power wattage and accumulated power consumption kwh overload protection enhanced communication range z wave proto