Vitronics offers proximity type intruder alarm. Vitronics manufactures a wide range of products like displays and advertisements products, household products, security products etc. The proximity type intruder alarm features an infrared receiver and an infrared light source. It triggers the alarm whenever a person comes close within 2 inches of the unit. It incorporates a visual indication and a light which can be switched on for a predetermined time. This proximity type intruder alarm is suitable for banks, hotels, shops, bungalows, flats, etc.