HiLetgo 2pcs 5A AC Current Sensor Current Detection Sensor Relay 12V AC Current Relay Module AC Sensor AC Current Relay Switch with Over Current Protection sold2024 Cured models withstand up to B0BYMRLD5D Cured models withstand up to 4 vulcanizations but still in great performance High quality copper wire to ensure safe charging Manufactured in accordance with USB Type C specifications version 1 you will get the two SAME ones and disconnected after the relay is closed Instructions: 5A Over current protection Sensor moduleuses current transformer to collect the AC signal to achieve the relay over current signal output within 0 5A