1581x May 2026

: A long-range Passive Infrared (PIR) Motion Sensor . Key Specs :

: Older financial archives (e.g., Financial Times , 1993) list "1581X" as a reference number in market data or stock transaction logs. : A long-range Passive Infrared (PIR) Motion Sensor

In the security and surveillance industry, specifically in older product catalogs (like ADI), 1581X refers to a specialized sensor. : A long-range Passive Infrared (PIR) Motion Sensor

: Features pointable mirrored optics for precise field-of-view adjustment. Installation : Designed for high mounting, up to 25 feet . 📟 Historical and Other References : A long-range Passive Infrared (PIR) Motion Sensor

: Capable of detecting movement up to 300 feet away.

In the context of the , "1581X" is a specific transaction code. Definition : It represents a Treasury Check Offset .