![](https://gqt.gr/458/al-40-aleph-pir-intrusion-detector.jpg)
The AL40 Series family of motion detectors provide high quality security at an outstanding value. All AL40 models in the series provide Qualified Motion Analysis, 60 lb. Animal Immunity, Digital Operating System, Dual Slope Temperature Compensation and rock-solid RFI Immunity.
PIR Intrusion detector