You are buying the alarm fob as pictured.
 
This alarm will work with 36/48V electric scooters and more vehicles as long as the plugs are the same but keep in mind that it's your responsibility to make sure that it will work with your vehicle.
Add this device to your vehicle for extra safety.
It will block the battery from starting the motors, there is an alarm fitted for when someone try to move the vehicle and there is also a panic button.
This alarm is up to 36-48V and it has a 3pin connector.
There are no instructions on how to fit this so i