- 220-240V AC operation.
- Photoelectric sensor technology.
- Test push button to test function and circuitry.
- Permanent green LED indicating continuous supply of AC power.
- Red LED flashes indicating alarm functioning.
- Low battery warning signal and missing battery warning for backup models.
- Sounder 85dB at 3 meters (10 ft).
- Interconnectable and silencer facility.
- 9V battery backup.
- BS Kitemark & CE approval.