The pulse, Wi-Fi Smart relay - electricity meter, 268018, Shelly PRO 1PM, allows control of electrical circuits from a distance, as well as the measurement of energy consumption. Single channel, for DIN rail. For 110 ~ 240 VAC (maximum load 16A) or 0 ~ 30 VDC (load 12A). Connection via LAN RJ45 cable or via Wi-Fi.