Pragati Electronics supplies Stand Alone Motion Sensor. Pragati Electronics manufactures electronic access control systems and security systems, temperature controllers, infrared sensors, door interlock system, proximity sensors and panel accessories, and electromagnetic lock. The Stand Alone Motion Sensor detects motion and alert security personnel or supervising systems of the presence of potential intruders. These sensors are used to monitor entry and exit from premises and can be used to determine motion of any kind. This is a 360 Degree Motion Sensor as it can detect vibration, turning or change in rotation from any direction. This is a functional rolling ball switch and has replaced the mercury switch and the rolling ball switch. The 360 degree vibration sensor [not limited by degree of angle] can be used in car alarms, door alarms, toys, and safety devices for household electric appliance.