The Kidde i12040 contractor 6 pack is sold as one master pack that contains 6 individual units. These alarms are 120-Volt hardwired ionization smoke alarm with 9-Volt battery backup and Hush feature. Smoke alarms have the ability to function as single units or in an interconnected system.
- Test button, tests unit's electronic circuitry, horn, and battery function
- Hush feature - temporarily silences nuisance alarms
- Quick connector - makes installation fast and easy
- Tamper resist locking pin - helps deter alarm tampering and theft
- 9-Volt battery back up (21025830)
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