2pcs 1 Channel DC 12V Latching Relay Module with Touch Bistable Switch One Channel Relay Switch
Supply Voltage :12V (DC) supply current : more than
Load : 250V 10A (AC) or 30V 10A (DC)
Press the trigger button , the relay is locked , press again , the relay off , you can also add the trigger switch , and the use of low-level trigger .