Combination Detectors: Type - Smoke/Carbon Monoxide Detector; Detector Power - 120V; Max Interconnect Stations - 24; Detector Operation - Dual Ionization/electrochemical; Wiring Method - Plug-In; Additional Information - Feature: Alarm/Voice messaging warning system. Interconnects up to 24 units only 18 Units can be initiating; Manufacturer Series - Knighthawk
Additional Info: Feature: Alarm/Voice messaging warning system. Interconnects up to 24 units only 18 Units can be initiating