Highlights:

• 18 Pack
• 120V
• Contractor pack
• Fast install
• Better performance
• Reduces nuisance alarms
• Easy to install
• 120v AC interconnectable
• With maximum 18 compatible devices
• If 1 unit triggers an alarm
• All smoke alarms in the series will sound
• Easy to maintain & quality engineered for years of virtually maintenance-free service
• Ionization sensor which helps detect fast flaming fires that consume combustible materials rapidly
• Alarm can be interconnected with up to 12 other compatible smoke alarms & 6 compatible devices like bells, horns, repeaters & door closers
• Power indicators show which unit in the series initiated the alarm