1,Heavy Duty and Multipurpose: Easy to connect or disconnect power to winches or other electrical equipment, such as remote battery chargers, power inverters, solar setups, trailers, or for anything that requires high current. 2,Durable Design: The combined shell made of sturdy PC flame retardant material, allows more than 10,000 connection or disconnection operations. Equipped with rubber boot covers, dustproof, moisture proof and corrosion proof. 3,Safe to Use: Both ends are suitable for connection to the power or load side because of its identical connectors. The two ends can only be connected in one way, and the wrong polarity will not be connected to prevent accidental reverse polarity of the charger during connection. 4,High Efficiency: Heavy duty components are suitable for low or medium current use. With 4 silver plated red copper terminals, strong conductivity, reduce resistance, and ensure stable voltage and current. 5,Easy to Install: It is easy to use and install. Insert the wires into the terminal pins and then solder or crimp them. Insert the terminal pins into the connector housing and lock it in place. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.