Kidde Nighthawk 

Carbon Monoxide/Smoke Combo Alarm (AC/DC) Interconnectable  

 Item# 21006377

Features and Specifications:

• Model Number: KN-COSM-IB

          Power Source: 120VAC, 60Hz 25mA max per alarm; 9V battery backup

• Sensor: Electrochemical
• Audio Alarm: 85dB at 10 ft.
• Temperature Range: 40°F to 100°F
• Humidity Range: 5%-95% relative humidity
• Size: 5.75” in diameter x 1.7” depth
• Weight: 1lb
• Interconnect: Up to 24 Kidde devices (of which 18 can be initiating)
• LED: Green, receiving ac power; Red, alarm mode
• Digital Display: No
• Warranty: 5 year limited