Smoke Detector NB740
- Provide battery powered smoke detection and alarm functions within a single unit.
- Loud 85dB alert sound
- Do NOT require a main supply and are suitable for general residential applications.
- Sealed 3V Lithium Battery with 10 years life
- Photoelectric smoke sensing chamber technology
- Test & Hush feature in a single button
- Test condition verifies battery and alarm operations
- Alarm memory in-cooperated to allow identifying a unit that has previously been in alarm condition
- Power is automatically disconnected when the unit is remove from mounting base
- 30 days low battery warning signal
- Easy installation
- Usual delivery in 3-7 working days.