Specifications:

• Active Infrared Transom - Type Sensor
• This is the most popular sensor, which uses the reflection of infra-red waves. According to his requirement, the user can decide the size of the sensitive area (from one to four beam lines of infra-red rays).
• Active Infrared Ceiling - Type Sensor
• This sensor also uses the reflection of infra-red rays. The sensor is mounted on the ceiling, without damaging ceiling its surface, and can detect people and objects below even from a bigger distance. The sensitive area can be adjusted from one to three beam lines of infra-red rays.