Catalog > Consumer Electronics > Security & Alarms > Alarms > PIR Catalog > Consumer Electronics > Security & Alarms > Alarms > Alarm Systems Digitech Wireless PIR Sensor Wireless PIR Sensor BPSPIR DIGITECH WIRELESS PIR SENSOR FOR GSM ALARM KIT Discontinued Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Specifications Distance : 8-10mFrequency : 433MHz