1. Easy to install, equipped with built-in jumper wires for polarity reversal. Just connect the power supply and ground and the two DC motor leads, and the switch will reverse the motor direction
2. Made of plastic casing, sturdy and durable
3. Can easily replace most of the power tongue stabilizer sockets of campers/trailers, suitable for many fifth-wheel sockets. More suitable for the common sockets installed on most travel trailers
4. Pin number: 4 pins
5. Rated power: 20A 50V DC, 15A 250V AC
6. Size: about 3.8 x 2.1 x 4.7cm