Features: *Intelligent logic to prevent false alarms. SMT chip technology, anti-EMI anti-RFI design. *The curtain PIR Detector can be installed in the 86 type mounting box on wall or ceiling with adjustable detection angle. *Automatic temperature compensation, adjustable pulse count. *LED ON/OFF optional, better concealment. *Alarm output: NC/NO optional. Discounted at only: US$ 16.86 
