- 115dB Volume
- IP65 Environmental Protection
- Patented Safety Engineer Hold-off Mode
- Advanced Microprocessor Technology
- Screw, Lid and Wall Tamper
- Polycarbonate Construction
- Twin Piezo Sounders
- Selectable SAB/SCB Mode
- Strobe Tube Saver
- Twin Alternating LEDs
- PD6662:2017 Grade 3 Class IV
