WizMart DC Smoke Alarm
Smoke Alarm (Driven by 3V Lithium Battery)
NB740 Smoke Alarms
- Provide battery powered smoke detection and alarm functions within a single unit.
- Don not require a main supply and are suitable for general residential applications.
- Photoelectric smoke sensing chamber technology
- Smoke chamber fault monitoring
- Test & Hush feature in a single button
- Test condition verifies battery and alarm operations
- Hush feature reduce smoke sensitivity if the alrm is not real fire. Hush times is 9mins.
- Alarm memory in-cooperated to allows identifying of a unit that has previouslt been in Alarm condition
- Loud 85dB sounder to alert occupants
- Sealed 3V Lithium Battery with 10 years life
- Power is automatically disconnected when the unit is remove from mounting base
- 30 days low battery warning signal
- Easy installation, Low Maintenance, Low quiescent current consumption