By-alarm IR motion tent detector

By-alarm curtain-effect detector to protect entrances and openings such as doors, windows, covered terraces, corridors and French doors, short-range curtain-effect detection with adjusTable lens up to 2 m or 5 m, PET immune, anti-masking function, 1 NO or NC 28V DC 0.1A relay output, surface mounting, 9.5- 18V DC 20 mA power supply