- Power:110VAC/220VAC/230VAC( backup 9v battery)、9v battery、12V-25DC
- Ceiling or wall mounting
- Easy to install with mounting hardware included
- 110VAC/230VAC with 9VDC battery backup
- Suitable for any room
- Flash alarm indicator (red)
- Test button for easy recommended monthly testing
- Low battery signal
- Safety clip feature, not allow mounting of smoke alarm
without battery installed
- photoelectric chamber for early detection from all directions
- Loud 85dB alarm signal