Wirefree PIR Movement Detector

Wirefree PIR Movement Detector Protect up to 8 meters squared with this wirefree movement detector. This simple to install battery powered passive infra red detector is compatible with all AEI wirefree alarms This sensor features a unique sleep mode to help preserve batteries for up to 3 years. Add as many wirefree sensors as required to your system . Provides 12 metre coverage . Transmitting range up to 40 metres . Battery lasts up to 3 years . Compatible with all AEI Security wirefree alarms . Test mode for easy setup . New 434MHz Version! This accessory is NOT compatible with any 418MHz AEI Alarm (including ALL alarms purchased before July 2004) .