Pyronix DUAL TECHNOLOGY DETECTOR MICROWAVE + PIR KX15DT1 PYRONIX HIKVISION
Pyronix Limited, Secure House, Braithwell Way, Hellaby, Rotherham, South Yorkshire, S66 8QY, UK. AND/OR Mode: Operates as a standard DT detector in 'AND' mode or as a microwave detector in 'OR' mode.