HiLetgo 2pcs 12V Single Bistable Self-Locking Relay Module Push To Start And Stop Purposes: Press the trigger button, relay lock, press again, cut the relay, also can be connected with the trigger switch, and low level trigger. Household electrical appliance control, lighting control family, factory equipment control, used to control a variety of small current control for high voltage and high power products. Parameters: Power supply voltage: 12V Power supply current: more than 100mA Load: 250V 10A (AC) or 30V 10A (DC) Life: 1000000 times How to use: 1 .According to the direct power supply voltage connected to the correspondingversion; 2. Power supply according to the line graph of the requirements, can not bereversed, although the protection circuit, but not for a long time to reverse; 3. Using a voltage stabilizing tube (5V no voltage regulator tube) a slight fever, is a normal phenomenon, relay working long hours also have normal heatingphenomenon, is a normal phenomenon; 4. Load power to relay load leave some margin, should avoid high power (about 2000W) and long time working environment, will have a certain impact on the service life of the product. Package Includes: 2 * 12V Single Bistable Self-Locking Relay Module 12V Self-Locking Relay Module ASIN B01HHM5M4M Model 3-01-0824-A Wattage 2000 watts Brand Name HiLetgo Unit Count 2 Count Part Number 3-01-0824-A Coil Voltage 12 volts Contact Type Normally Open Manufacturer HiLetgo Mounting Type Surface Mount Connector Type Screw Current Rating 10 A Operation Mode Automatic Number of Items 800 Number of Packs 2 Contact Material Silver Number of Terminals 3 Contact Current Rating 10 A Maximum Switching Current 10 A Maximum Switching Voltage 12 volts Minimum Switching Voltage 12 volts