Powertag is the world's smallest wireless energy sensor that can monitor up to 63 outgoers or circuits. It measures voltage, current, power and energy consumption wirelessly and with class 1 accuracy. The Powertag sensors install directly inside distribution boards and communicate wirelessly with the Acti 9 Smartlink gateway to provide remote monitoring of circuits without additional wiring. The Powertag solution reduces installation costs and footprint while enabling monitoring of key circuits to help identify energy savings opportunities.