Test button allows you to quickly check unit's circuitry, horn and battery status. Chirp-style low-battery indicator. Red power-status LED. Protective dust cover. Power Source(s): 9V Battery; Mounting: Ceiling; Wall.
Features:
Features:
- Test button allows you to quickly check unit's circuitry, horn and battery status.
- Chirp-style low-battery indicator.
- Red power-status LED.
- Protective dust cover.